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Finding the Fourth Proportional to 417,092.48, 625,542.88 and 248,660.48

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Solution

The fourth proportional to 417,092.48, 625,542.88 and 248,660.48 is: 372,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,092.48 : 625,542.88 = 248,660.48 : x
  2. Step 2: Convert to fraction form
    417,092.48/625,542.88 = 248,660.48/x
  3. Step 3: Cross multiply
    417,092.48x = 625,542.88 × 248,660.48
  4. Step 4: Simplify right side
    417,092.48x = 155,547,792,801.38
  5. Step 5: Solve for x
    x = 155,547,792,801.38/417,092.48
  6. Step 6: Final answer
    x = 372,933.58

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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.