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Finding the Fourth Proportional to 363,579.66, 545,394.39 and 123,595.91

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Solution

The fourth proportional to 363,579.66, 545,394.39 and 123,595.91 is: 185,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,579.66 : 545,394.39 = 123,595.91 : x
  2. Step 2: Convert to fraction form
    363,579.66/545,394.39 = 123,595.91/x
  3. Step 3: Cross multiply
    363,579.66x = 545,394.39 × 123,595.91
  4. Step 4: Simplify right side
    363,579.66x = 67,408,513,213.97
  5. Step 5: Solve for x
    x = 67,408,513,213.97/363,579.66
  6. Step 6: Final answer
    x = 185,402.32

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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.