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Finding the Fourth Proportional to 418,590.68, 627,886.08 and 123,102.68

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Solution

The fourth proportional to 418,590.68, 627,886.08 and 123,102.68 is: 184,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,590.68 : 627,886.08 = 123,102.68 : x
  2. Step 2: Convert to fraction form
    418,590.68/627,886.08 = 123,102.68/x
  3. Step 3: Cross multiply
    418,590.68x = 627,886.08 × 123,102.68
  4. Step 4: Simplify right side
    418,590.68x = 77,294,459,182.69
  5. Step 5: Solve for x
    x = 77,294,459,182.69/418,590.68
  6. Step 6: Final answer
    x = 184,654.04

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Similar ratio
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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.