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Finding the Fourth Proportional to 658,041.62, 987,062.45 and 237,317.49

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Solution

The fourth proportional to 658,041.62, 987,062.45 and 237,317.49 is: 355,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,041.62 : 987,062.45 = 237,317.49 : x
  2. Step 2: Convert to fraction form
    658,041.62/987,062.45 = 237,317.49/x
  3. Step 3: Cross multiply
    658,041.62x = 987,062.45 × 237,317.49
  4. Step 4: Simplify right side
    658,041.62x = 234,247,181,920.66
  5. Step 5: Solve for x
    x = 234,247,181,920.66/658,041.62
  6. Step 6: Final answer
    x = 355,976.24

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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.