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Finding the Fourth Proportional to 575,134.28, 862,607.86 and 271,527.82

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Solution

The fourth proportional to 575,134.28, 862,607.86 and 271,527.82 is: 407,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,134.28 : 862,607.86 = 271,527.82 : x
  2. Step 2: Convert to fraction form
    575,134.28/862,607.86 = 271,527.82/x
  3. Step 3: Cross multiply
    575,134.28x = 862,607.86 × 271,527.82
  4. Step 4: Simplify right side
    575,134.28x = 234,222,031,740.67
  5. Step 5: Solve for x
    x = 234,222,031,740.67/575,134.28
  6. Step 6: Final answer
    x = 407,247.56

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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.