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Finding the Fourth Proportional to 602,487.72, 902,306.70 and 523,170.90

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Solution

The fourth proportional to 602,487.72, 902,306.70 and 523,170.90 is: 783,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,487.72 : 902,306.70 = 523,170.90 : x
  2. Step 2: Convert to fraction form
    602,487.72/902,306.70 = 523,170.90/x
  3. Step 3: Cross multiply
    602,487.72x = 902,306.70 × 523,170.90
  4. Step 4: Simplify right side
    602,487.72x = 472,060,608,315.03
  5. Step 5: Solve for x
    x = 472,060,608,315.03/602,487.72
  6. Step 6: Final answer
    x = 783,519.05

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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.