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Finding the Fourth Proportional to 487,297.22, 730,945.82 and 237,765.38

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Solution

The fourth proportional to 487,297.22, 730,945.82 and 237,765.38 is: 356,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,297.22 : 730,945.82 = 237,765.38 : x
  2. Step 2: Convert to fraction form
    487,297.22/730,945.82 = 237,765.38/x
  3. Step 3: Cross multiply
    487,297.22x = 730,945.82 × 237,765.38
  4. Step 4: Simplify right side
    487,297.22x = 173,793,607,591.40
  5. Step 5: Solve for x
    x = 173,793,607,591.40/487,297.22
  6. Step 6: Final answer
    x = 356,648.06

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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.