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Finding the Fourth Proportional to 361,207.88, 498,444.96 and 200,053.28

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Solution

The fourth proportional to 361,207.88, 498,444.96 and 200,053.28 is: 276,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,207.88 : 498,444.96 = 200,053.28 : x
  2. Step 2: Convert to fraction form
    361,207.88/498,444.96 = 200,053.28/x
  3. Step 3: Cross multiply
    361,207.88x = 498,444.96 × 200,053.28
  4. Step 4: Simplify right side
    361,207.88x = 99,715,549,147.47
  5. Step 5: Solve for x
    x = 99,715,549,147.47/361,207.88
  6. Step 6: Final answer
    x = 276,061.39

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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.