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Finding the Fourth Proportional to 591,761.85, 815,989.14 and 376,626.66

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Solution

The fourth proportional to 591,761.85, 815,989.14 and 376,626.66 is: 519,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,761.85 : 815,989.14 = 376,626.66 : x
  2. Step 2: Convert to fraction form
    591,761.85/815,989.14 = 376,626.66/x
  3. Step 3: Cross multiply
    591,761.85x = 815,989.14 × 376,626.66
  4. Step 4: Simplify right side
    591,761.85x = 307,323,264,394.47
  5. Step 5: Solve for x
    x = 307,323,264,394.47/591,761.85
  6. Step 6: Final answer
    x = 519,336.05

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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.