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Finding the Fourth Proportional to 260,456.40, 391,519.80 and 241,966.80

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Solution

The fourth proportional to 260,456.40, 391,519.80 and 241,966.80 is: 363,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,456.40 : 391,519.80 = 241,966.80 : x
  2. Step 2: Convert to fraction form
    260,456.40/391,519.80 = 241,966.80/x
  3. Step 3: Cross multiply
    260,456.40x = 391,519.80 × 241,966.80
  4. Step 4: Simplify right side
    260,456.40x = 94,734,793,142.64
  5. Step 5: Solve for x
    x = 94,734,793,142.64/260,456.40
  6. Step 6: Final answer
    x = 363,726.11

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1.5x scale

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.