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Finding the Fourth Proportional to 966,340.88, 1,449,920.82 and 516,944

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Solution

The fourth proportional to 966,340.88, 1,449,920.82 and 516,944 is: 775,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,340.88 : 1,449,920.82 = 516,944 : x
  2. Step 2: Convert to fraction form
    966,340.88/1,449,920.82 = 516,944/x
  3. Step 3: Cross multiply
    966,340.88x = 1,449,920.82 × 516,944
  4. Step 4: Simplify right side
    966,340.88x = 749,527,868,374.08
  5. Step 5: Solve for x
    x = 749,527,868,374.08/966,340.88
  6. Step 6: Final answer
    x = 775,635.06

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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.