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Finding the Fourth Proportional to 364,344.40, 546,115.65 and 127,565.20

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Solution

The fourth proportional to 364,344.40, 546,115.65 and 127,565.20 is: 191,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,344.40 : 546,115.65 = 127,565.20 : x
  2. Step 2: Convert to fraction form
    364,344.40/546,115.65 = 127,565.20/x
  3. Step 3: Cross multiply
    364,344.40x = 546,115.65 × 127,565.20
  4. Step 4: Simplify right side
    364,344.40x = 69,665,352,115.38
  5. Step 5: Solve for x
    x = 69,665,352,115.38/364,344.40
  6. Step 6: Final answer
    x = 191,207.42

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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.