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Finding the Fourth Proportional to 314,294.40, 471,446.04 and 89,654.88

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Solution

The fourth proportional to 314,294.40, 471,446.04 and 89,654.88 is: 134,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,294.40 : 471,446.04 = 89,654.88 : x
  2. Step 2: Convert to fraction form
    314,294.40/471,446.04 = 89,654.88/x
  3. Step 3: Cross multiply
    314,294.40x = 471,446.04 × 89,654.88
  4. Step 4: Simplify right side
    314,294.40x = 42,267,438,142.68
  5. Step 5: Solve for x
    x = 42,267,438,142.68/314,294.40
  6. Step 6: Final answer
    x = 134,483.59

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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.