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Finding the Fourth Proportional to 532,406.90, 798,612.39 and 133,048.10

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Solution

The fourth proportional to 532,406.90, 798,612.39 and 133,048.10 is: 199,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,406.90 : 798,612.39 = 133,048.10 : x
  2. Step 2: Convert to fraction form
    532,406.90/798,612.39 = 133,048.10/x
  3. Step 3: Cross multiply
    532,406.90x = 798,612.39 × 133,048.10
  4. Step 4: Simplify right side
    532,406.90x = 106,253,857,132.90
  5. Step 5: Solve for x
    x = 106,253,857,132.90/532,406.90
  6. Step 6: Final answer
    x = 199,572.65

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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.