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Finding the Fourth Proportional to 655,244.27, 904,516.09 and 440,508.88

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Solution

The fourth proportional to 655,244.27, 904,516.09 and 440,508.88 is: 608,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,244.27 : 904,516.09 = 440,508.88 : x
  2. Step 2: Convert to fraction form
    655,244.27/904,516.09 = 440,508.88/x
  3. Step 3: Cross multiply
    655,244.27x = 904,516.09 × 440,508.88
  4. Step 4: Simplify right side
    655,244.27x = 398,447,366,385.32
  5. Step 5: Solve for x
    x = 398,447,366,385.32/655,244.27
  6. Step 6: Final answer
    x = 608,089.82

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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.