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Finding the Fourth Proportional to 418,575.94, 627,863.91 and 123,087.94

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Solution

The fourth proportional to 418,575.94, 627,863.91 and 123,087.94 is: 184,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,575.94 : 627,863.91 = 123,087.94 : x
  2. Step 2: Convert to fraction form
    418,575.94/627,863.91 = 123,087.94/x
  3. Step 3: Cross multiply
    418,575.94x = 627,863.91 × 123,087.94
  4. Step 4: Simplify right side
    418,575.94x = 77,282,473,251.01
  5. Step 5: Solve for x
    x = 77,282,473,251.01/418,575.94
  6. Step 6: Final answer
    x = 184,631.91

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Similar ratio
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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.