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Finding the Fourth Proportional to 542,229.16, 813,113.34 and 222,160.68

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Solution

The fourth proportional to 542,229.16, 813,113.34 and 222,160.68 is: 333,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,229.16 : 813,113.34 = 222,160.68 : x
  2. Step 2: Convert to fraction form
    542,229.16/813,113.34 = 222,160.68/x
  3. Step 3: Cross multiply
    542,229.16x = 813,113.34 × 222,160.68
  4. Step 4: Simplify right side
    542,229.16x = 180,641,812,531.47
  5. Step 5: Solve for x
    x = 180,641,812,531.47/542,229.16
  6. Step 6: Final answer
    x = 333,146.62

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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.