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Finding the Fourth Proportional to 532,201.05, 798,429.15 and 177,218.15

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Solution

The fourth proportional to 532,201.05, 798,429.15 and 177,218.15 is: 265,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,201.05 : 798,429.15 = 177,218.15 : x
  2. Step 2: Convert to fraction form
    532,201.05/798,429.15 = 177,218.15/x
  3. Step 3: Cross multiply
    532,201.05x = 798,429.15 × 177,218.15
  4. Step 4: Simplify right side
    532,201.05x = 141,496,132,876.93
  5. Step 5: Solve for x
    x = 141,496,132,876.93/532,201.05
  6. Step 6: Final answer
    x = 265,869.70

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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.