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Finding the Fourth Proportional to 866,321.60, 1,195,892.32 and 526,898.88

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Solution

The fourth proportional to 866,321.60, 1,195,892.32 and 526,898.88 is: 727,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,321.60 : 1,195,892.32 = 526,898.88 : x
  2. Step 2: Convert to fraction form
    866,321.60/1,195,892.32 = 526,898.88/x
  3. Step 3: Cross multiply
    866,321.60x = 1,195,892.32 × 526,898.88
  4. Step 4: Simplify right side
    866,321.60x = 630,114,324,008.60
  5. Step 5: Solve for x
    x = 630,114,324,008.60/866,321.60
  6. Step 6: Final answer
    x = 727,344.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.