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Finding the Fourth Proportional to 560,761.80, 840,934.92 and 200,876.60

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Solution

The fourth proportional to 560,761.80, 840,934.92 and 200,876.60 is: 301,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,761.80 : 840,934.92 = 200,876.60 : x
  2. Step 2: Convert to fraction form
    560,761.80/840,934.92 = 200,876.60/x
  3. Step 3: Cross multiply
    560,761.80x = 840,934.92 × 200,876.60
  4. Step 4: Simplify right side
    560,761.80x = 168,924,147,550.87
  5. Step 5: Solve for x
    x = 168,924,147,550.87/560,761.80
  6. Step 6: Final answer
    x = 301,240.47

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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.