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Finding the Fourth Proportional to 415,775.97, 573,768.03 and 234,489.45

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Solution

The fourth proportional to 415,775.97, 573,768.03 and 234,489.45 is: 323,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,775.97 : 573,768.03 = 234,489.45 : x
  2. Step 2: Convert to fraction form
    415,775.97/573,768.03 = 234,489.45/x
  3. Step 3: Cross multiply
    415,775.97x = 573,768.03 × 234,489.45
  4. Step 4: Simplify right side
    415,775.97x = 134,542,549,782.28
  5. Step 5: Solve for x
    x = 134,542,549,782.28/415,775.97
  6. Step 6: Final answer
    x = 323,593.86

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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.