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Finding the Fourth Proportional to 532,489.20, 798,539.40 and 177,514.80

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Solution

The fourth proportional to 532,489.20, 798,539.40 and 177,514.80 is: 266,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,489.20 : 798,539.40 = 177,514.80 : x
  2. Step 2: Convert to fraction form
    532,489.20/798,539.40 = 177,514.80/x
  3. Step 3: Cross multiply
    532,489.20x = 798,539.40 × 177,514.80
  4. Step 4: Simplify right side
    532,489.20x = 141,752,561,883.12
  5. Step 5: Solve for x
    x = 141,752,561,883.12/532,489.20
  6. Step 6: Final answer
    x = 266,207.39

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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.