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Finding the Fourth Proportional to 904,940, 1,248,927.36 and 522,969.92

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Solution

The fourth proportional to 904,940, 1,248,927.36 and 522,969.92 is: 721,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,940 : 1,248,927.36 = 522,969.92 : x
  2. Step 2: Convert to fraction form
    904,940/1,248,927.36 = 522,969.92/x
  3. Step 3: Cross multiply
    904,940x = 1,248,927.36 × 522,969.92
  4. Step 4: Simplify right side
    904,940x = 653,151,441,545.01
  5. Step 5: Solve for x
    x = 653,151,441,545.01/904,940
  6. Step 6: Final answer
    x = 721,762.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.