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Finding the Fourth Proportional to 966,161.88, 1,449,549 and 753,658.38

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Solution

The fourth proportional to 966,161.88, 1,449,549 and 753,658.38 is: 1,130,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,161.88 : 1,449,549 = 753,658.38 : x
  2. Step 2: Convert to fraction form
    966,161.88/1,449,549 = 753,658.38/x
  3. Step 3: Cross multiply
    966,161.88x = 1,449,549 × 753,658.38
  4. Step 4: Simplify right side
    966,161.88x = 1,092,464,751,070.62
  5. Step 5: Solve for x
    x = 1,092,464,751,070.62/966,161.88
  6. Step 6: Final answer
    x = 1,130,726.41

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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.