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Finding the Fourth Proportional to 542,292, 813,557.12 and 222,445.76

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Solution

The fourth proportional to 542,292, 813,557.12 and 222,445.76 is: 333,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,292 : 813,557.12 = 222,445.76 : x
  2. Step 2: Convert to fraction form
    542,292/813,557.12 = 222,445.76/x
  3. Step 3: Cross multiply
    542,292x = 813,557.12 × 222,445.76
  4. Step 4: Simplify right side
    542,292x = 180,972,331,861.81
  5. Step 5: Solve for x
    x = 180,972,331,861.81/542,292
  6. Step 6: Final answer
    x = 333,717.50

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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.