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Finding the Fourth Proportional to 560,691.71, 840,936.06 and 161,234.45

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Solution

The fourth proportional to 560,691.71, 840,936.06 and 161,234.45 is: 241,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,691.71 : 840,936.06 = 161,234.45 : x
  2. Step 2: Convert to fraction form
    560,691.71/840,936.06 = 161,234.45/x
  3. Step 3: Cross multiply
    560,691.71x = 840,936.06 × 161,234.45
  4. Step 4: Simplify right side
    560,691.71x = 135,587,858,914.59
  5. Step 5: Solve for x
    x = 135,587,858,914.59/560,691.71
  6. Step 6: Final answer
    x = 241,822.48

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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.