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Finding the Fourth Proportional to 601,870,983.70, 902,806,475.55 and 601,870,983.70

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Solution

The fourth proportional to 601,870,983.70, 902,806,475.55 and 601,870,983.70 is: 902,806,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,870,983.70 : 902,806,475.55 = 601,870,983.70 : x
  2. Step 2: Convert to fraction form
    601,870,983.70/902,806,475.55 = 601,870,983.70/x
  3. Step 3: Cross multiply
    601,870,983.70x = 902,806,475.55 × 601,870,983.70
  4. Step 4: Simplify right side
    601,870,983.70x = 543,373,021,530,008,512
  5. Step 5: Solve for x
    x = 543,373,021,530,008,512/601,870,983.70
  6. Step 6: Final answer
    x = 902,806,475.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.