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Finding the Fourth Proportional to 532,240.80, 798,488.78 and 177,257.90

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Solution

The fourth proportional to 532,240.80, 798,488.78 and 177,257.90 is: 265,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,240.80 : 798,488.78 = 177,257.90 : x
  2. Step 2: Convert to fraction form
    532,240.80/798,488.78 = 177,257.90/x
  3. Step 3: Cross multiply
    532,240.80x = 798,488.78 × 177,257.90
  4. Step 4: Simplify right side
    532,240.80x = 141,538,439,437.63
  5. Step 5: Solve for x
    x = 141,538,439,437.63/532,240.80
  6. Step 6: Final answer
    x = 265,929.33

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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.