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Finding the Fourth Proportional to 415,618.88, 573,542.56 and 234,329.24

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Solution

The fourth proportional to 415,618.88, 573,542.56 and 234,329.24 is: 323,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,618.88 : 573,542.56 = 234,329.24 : x
  2. Step 2: Convert to fraction form
    415,618.88/573,542.56 = 234,329.24/x
  3. Step 3: Cross multiply
    415,618.88x = 573,542.56 × 234,329.24
  4. Step 4: Simplify right side
    415,618.88x = 134,397,792,192.45
  5. Step 5: Solve for x
    x = 134,397,792,192.45/415,618.88
  6. Step 6: Final answer
    x = 323,367.87

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1.5x scale

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.