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Finding the Fourth Proportional to 572,048.80, 858,073.20 and 465,760.60

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Solution

The fourth proportional to 572,048.80, 858,073.20 and 465,760.60 is: 698,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,048.80 : 858,073.20 = 465,760.60 : x
  2. Step 2: Convert to fraction form
    572,048.80/858,073.20 = 465,760.60/x
  3. Step 3: Cross multiply
    572,048.80x = 858,073.20 × 465,760.60
  4. Step 4: Simplify right side
    572,048.80x = 399,656,688,475.92
  5. Step 5: Solve for x
    x = 399,656,688,475.92/572,048.80
  6. Step 6: Final answer
    x = 698,640.90

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Similar ratio
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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.