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Finding the Fourth Proportional to 587,411.30, 880,080.15 and 481,657.70

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Solution

The fourth proportional to 587,411.30, 880,080.15 and 481,657.70 is: 721,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,411.30 : 880,080.15 = 481,657.70 : x
  2. Step 2: Convert to fraction form
    587,411.30/880,080.15 = 481,657.70/x
  3. Step 3: Cross multiply
    587,411.30x = 880,080.15 × 481,657.70
  4. Step 4: Simplify right side
    587,411.30x = 423,897,380,864.66
  5. Step 5: Solve for x
    x = 423,897,380,864.66/587,411.30
  6. Step 6: Final answer
    x = 721,636.41

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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.