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Finding the Fourth Proportional to 650,761.88, 898,002.18 and 360,372.02

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Solution

The fourth proportional to 650,761.88, 898,002.18 and 360,372.02 is: 497,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,761.88 : 898,002.18 = 360,372.02 : x
  2. Step 2: Convert to fraction form
    650,761.88/898,002.18 = 360,372.02/x
  3. Step 3: Cross multiply
    650,761.88x = 898,002.18 × 360,372.02
  4. Step 4: Simplify right side
    650,761.88x = 323,614,855,080.99
  5. Step 5: Solve for x
    x = 323,614,855,080.99/650,761.88
  6. Step 6: Final answer
    x = 497,286.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.