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Finding the Fourth Proportional to 363,508.96, 545,374.70 and 186,141.52

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Solution

The fourth proportional to 363,508.96, 545,374.70 and 186,141.52 is: 279,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,508.96 : 545,374.70 = 186,141.52 : x
  2. Step 2: Convert to fraction form
    363,508.96/545,374.70 = 186,141.52/x
  3. Step 3: Cross multiply
    363,508.96x = 545,374.70 × 186,141.52
  4. Step 4: Simplify right side
    363,508.96x = 101,516,875,627.54
  5. Step 5: Solve for x
    x = 101,516,875,627.54/363,508.96
  6. Step 6: Final answer
    x = 279,269.25

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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.