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Finding the Fourth Proportional to 560,690.96, 840,934.94 and 161,233.70

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Solution

The fourth proportional to 560,690.96, 840,934.94 and 161,233.70 is: 241,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,690.96 : 840,934.94 = 161,233.70 : x
  2. Step 2: Convert to fraction form
    560,690.96/840,934.94 = 161,233.70/x
  3. Step 3: Cross multiply
    560,690.96x = 840,934.94 × 161,233.70
  4. Step 4: Simplify right side
    560,690.96x = 135,587,046,824.64
  5. Step 5: Solve for x
    x = 135,587,046,824.64/560,690.96
  6. Step 6: Final answer
    x = 241,821.36

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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.