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Finding the Fourth Proportional to 587,591.40, 881,646.30 and 271,885.80

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Solution

The fourth proportional to 587,591.40, 881,646.30 and 271,885.80 is: 407,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,591.40 : 881,646.30 = 271,885.80 : x
  2. Step 2: Convert to fraction form
    587,591.40/881,646.30 = 271,885.80/x
  3. Step 3: Cross multiply
    587,591.40x = 881,646.30 × 271,885.80
  4. Step 4: Simplify right side
    587,591.40x = 239,707,109,592.54
  5. Step 5: Solve for x
    x = 239,707,109,592.54/587,591.40
  6. Step 6: Final answer
    x = 407,948.64

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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.