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Finding the Fourth Proportional to 532,400.88, 798,603.40 and 133,042.10

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Solution

The fourth proportional to 532,400.88, 798,603.40 and 133,042.10 is: 199,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,400.88 : 798,603.40 = 133,042.10 : x
  2. Step 2: Convert to fraction form
    532,400.88/798,603.40 = 133,042.10/x
  3. Step 3: Cross multiply
    532,400.88x = 798,603.40 × 133,042.10
  4. Step 4: Simplify right side
    532,400.88x = 106,247,869,576.43
  5. Step 5: Solve for x
    x = 106,247,869,576.43/532,400.88
  6. Step 6: Final answer
    x = 199,563.66

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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.