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Finding the Fourth Proportional to 418,584.88, 627,877.35 and 123,096.88

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Solution

The fourth proportional to 418,584.88, 627,877.35 and 123,096.88 is: 184,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,584.88 : 627,877.35 = 123,096.88 : x
  2. Step 2: Convert to fraction form
    418,584.88/627,877.35 = 123,096.88/x
  3. Step 3: Cross multiply
    418,584.88x = 627,877.35 × 123,096.88
  4. Step 4: Simplify right side
    418,584.88x = 77,289,739,052.80
  5. Step 5: Solve for x
    x = 77,289,739,052.80/418,584.88
  6. Step 6: Final answer
    x = 184,645.32

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1.5x scale

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.