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Finding the Fourth Proportional to 363,264.12, 545,056.02 and 185,917.32

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Solution

The fourth proportional to 363,264.12, 545,056.02 and 185,917.32 is: 278,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,264.12 : 545,056.02 = 185,917.32 : x
  2. Step 2: Convert to fraction form
    363,264.12/545,056.02 = 185,917.32/x
  3. Step 3: Cross multiply
    363,264.12x = 545,056.02 × 185,917.32
  4. Step 4: Simplify right side
    363,264.12x = 101,335,354,488.27
  5. Step 5: Solve for x
    x = 101,335,354,488.27/363,264.12
  6. Step 6: Final answer
    x = 278,957.79

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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.