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Finding the Fourth Proportional to 598,475.70, 897,713.55 and 243,744.30

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Solution

The fourth proportional to 598,475.70, 897,713.55 and 243,744.30 is: 365,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,475.70 : 897,713.55 = 243,744.30 : x
  2. Step 2: Convert to fraction form
    598,475.70/897,713.55 = 243,744.30/x
  3. Step 3: Cross multiply
    598,475.70x = 897,713.55 × 243,744.30
  4. Step 4: Simplify right side
    598,475.70x = 218,812,560,845.27
  5. Step 5: Solve for x
    x = 218,812,560,845.27/598,475.70
  6. Step 6: Final answer
    x = 365,616.45

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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.