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Finding the Fourth Proportional to 418,344.01, 627,560.63 and 133,932.86

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Solution

The fourth proportional to 418,344.01, 627,560.63 and 133,932.86 is: 200,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,344.01 : 627,560.63 = 133,932.86 : x
  2. Step 2: Convert to fraction form
    418,344.01/627,560.63 = 133,932.86/x
  3. Step 3: Cross multiply
    418,344.01x = 627,560.63 × 133,932.86
  4. Step 4: Simplify right side
    418,344.01x = 84,050,989,047.44
  5. Step 5: Solve for x
    x = 84,050,989,047.44/418,344.01
  6. Step 6: Final answer
    x = 200,913.57

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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.