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Finding the Fourth Proportional to 602,708.40, 904,062.72 and 469,688.28

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Solution

The fourth proportional to 602,708.40, 904,062.72 and 469,688.28 is: 704,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,708.40 : 904,062.72 = 469,688.28 : x
  2. Step 2: Convert to fraction form
    602,708.40/904,062.72 = 469,688.28/x
  3. Step 3: Cross multiply
    602,708.40x = 904,062.72 × 469,688.28
  4. Step 4: Simplify right side
    602,708.40x = 424,627,663,968.92
  5. Step 5: Solve for x
    x = 424,627,663,968.92/602,708.40
  6. Step 6: Final answer
    x = 704,532.51

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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.