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Finding the Fourth Proportional to 364,387.39, 546,565.38 and 124,522.72

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Solution

The fourth proportional to 364,387.39, 546,565.38 and 124,522.72 is: 186,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,387.39 : 546,565.38 = 124,522.72 : x
  2. Step 2: Convert to fraction form
    364,387.39/546,565.38 = 124,522.72/x
  3. Step 3: Cross multiply
    364,387.39x = 546,565.38 × 124,522.72
  4. Step 4: Simplify right side
    364,387.39x = 68,059,807,775.43
  5. Step 5: Solve for x
    x = 68,059,807,775.43/364,387.39
  6. Step 6: Final answer
    x = 186,778.71

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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.