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Finding the Fourth Proportional to 658,542.50, 908,786.62 and 372,062.51

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Solution

The fourth proportional to 658,542.50, 908,786.62 and 372,062.51 is: 513,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,542.50 : 908,786.62 = 372,062.51 : x
  2. Step 2: Convert to fraction form
    658,542.50/908,786.62 = 372,062.51/x
  3. Step 3: Cross multiply
    658,542.50x = 908,786.62 × 372,062.51
  4. Step 4: Simplify right side
    658,542.50x = 338,125,430,891.62
  5. Step 5: Solve for x
    x = 338,125,430,891.62/658,542.50
  6. Step 6: Final answer
    x = 513,445.12

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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.