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Finding the Fourth Proportional to 601,635.84, 902,453.76 and 285,920.52

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Solution

The fourth proportional to 601,635.84, 902,453.76 and 285,920.52 is: 428,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,635.84 : 902,453.76 = 285,920.52 : x
  2. Step 2: Convert to fraction form
    601,635.84/902,453.76 = 285,920.52/x
  3. Step 3: Cross multiply
    601,635.84x = 902,453.76 × 285,920.52
  4. Step 4: Simplify right side
    601,635.84x = 258,030,048,335.16
  5. Step 5: Solve for x
    x = 258,030,048,335.16/601,635.84
  6. Step 6: Final answer
    x = 428,880.78

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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.