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Finding the Fourth Proportional to 463,691.04, 695,456.25 and 139,474.44

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Solution

The fourth proportional to 463,691.04, 695,456.25 and 139,474.44 is: 209,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,691.04 : 695,456.25 = 139,474.44 : x
  2. Step 2: Convert to fraction form
    463,691.04/695,456.25 = 139,474.44/x
  3. Step 3: Cross multiply
    463,691.04x = 695,456.25 × 139,474.44
  4. Step 4: Simplify right side
    463,691.04x = 96,998,371,013.25
  5. Step 5: Solve for x
    x = 96,998,371,013.25/463,691.04
  6. Step 6: Final answer
    x = 209,187.50

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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.