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Finding the Fourth Proportional to 575,211.80, 862,742.10 and 175,892.60

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Solution

The fourth proportional to 575,211.80, 862,742.10 and 175,892.60 is: 263,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,211.80 : 862,742.10 = 175,892.60 : x
  2. Step 2: Convert to fraction form
    575,211.80/862,742.10 = 175,892.60/x
  3. Step 3: Cross multiply
    575,211.80x = 862,742.10 × 175,892.60
  4. Step 4: Simplify right side
    575,211.80x = 151,749,951,098.46
  5. Step 5: Solve for x
    x = 151,749,951,098.46/575,211.80
  6. Step 6: Final answer
    x = 263,815.78

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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.