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Finding the Fourth Proportional to 363,585.60, 545,815.80 and 360,961.20

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Solution

The fourth proportional to 363,585.60, 545,815.80 and 360,961.20 is: 541,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,585.60 : 545,815.80 = 360,961.20 : x
  2. Step 2: Convert to fraction form
    363,585.60/545,815.80 = 360,961.20/x
  3. Step 3: Cross multiply
    363,585.60x = 545,815.80 × 360,961.20
  4. Step 4: Simplify right side
    363,585.60x = 197,018,326,146.96
  5. Step 5: Solve for x
    x = 197,018,326,146.96/363,585.60
  6. Step 6: Final answer
    x = 541,876.04

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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.