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Finding the Fourth Proportional to 1,304,250.82, 1,799,884.52 and 787,932.93

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Solution

The fourth proportional to 1,304,250.82, 1,799,884.52 and 787,932.93 is: 1,087,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,250.82 : 1,799,884.52 = 787,932.93 : x
  2. Step 2: Convert to fraction form
    1,304,250.82/1,799,884.52 = 787,932.93/x
  3. Step 3: Cross multiply
    1,304,250.82x = 1,799,884.52 × 787,932.93
  4. Step 4: Simplify right side
    1,304,250.82x = 1,418,188,283,505.24
  5. Step 5: Solve for x
    x = 1,418,188,283,505.24/1,304,250.82
  6. Step 6: Final answer
    x = 1,087,358.55

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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.