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Finding the Fourth Proportional to 655,246.39, 904,519.02 and 440,511

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Solution

The fourth proportional to 655,246.39, 904,519.02 and 440,511 is: 608,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,246.39 : 904,519.02 = 440,511 : x
  2. Step 2: Convert to fraction form
    655,246.39/904,519.02 = 440,511/x
  3. Step 3: Cross multiply
    655,246.39x = 904,519.02 × 440,511
  4. Step 4: Simplify right side
    655,246.39x = 398,450,578,019.22
  5. Step 5: Solve for x
    x = 398,450,578,019.22/655,246.39
  6. Step 6: Final answer
    x = 608,092.75

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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.