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Finding the Fourth Proportional to 352,613.80, 527,754.30 and 247,637.80

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Solution

The fourth proportional to 352,613.80, 527,754.30 and 247,637.80 is: 370,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,613.80 : 527,754.30 = 247,637.80 : x
  2. Step 2: Convert to fraction form
    352,613.80/527,754.30 = 247,637.80/x
  3. Step 3: Cross multiply
    352,613.80x = 527,754.30 × 247,637.80
  4. Step 4: Simplify right side
    352,613.80x = 130,691,913,792.54
  5. Step 5: Solve for x
    x = 130,691,913,792.54/352,613.80
  6. Step 6: Final answer
    x = 370,637.55

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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.