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Finding the Fourth Proportional to 560,481.19, 840,862.59 and 161,122.69

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Solution

The fourth proportional to 560,481.19, 840,862.59 and 161,122.69 is: 241,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,481.19 : 840,862.59 = 161,122.69 : x
  2. Step 2: Convert to fraction form
    560,481.19/840,862.59 = 161,122.69/x
  3. Step 3: Cross multiply
    560,481.19x = 840,862.59 × 161,122.69
  4. Step 4: Simplify right side
    560,481.19x = 135,482,042,421.17
  5. Step 5: Solve for x
    x = 135,482,042,421.17/560,481.19
  6. Step 6: Final answer
    x = 241,724.51

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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.