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Finding the Fourth Proportional to 537,209.60, 804,842.40 and 256,107.20

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Solution

The fourth proportional to 537,209.60, 804,842.40 and 256,107.20 is: 383,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,209.60 : 804,842.40 = 256,107.20 : x
  2. Step 2: Convert to fraction form
    537,209.60/804,842.40 = 256,107.20/x
  3. Step 3: Cross multiply
    537,209.60x = 804,842.40 × 256,107.20
  4. Step 4: Simplify right side
    537,209.60x = 206,125,933,505.28
  5. Step 5: Solve for x
    x = 206,125,933,505.28/537,209.60
  6. Step 6: Final answer
    x = 383,697.41

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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.