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Finding the Fourth Proportional to 542,270.77, 813,519.95 and 163,219.23

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Solution

The fourth proportional to 542,270.77, 813,519.95 and 163,219.23 is: 244,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,270.77 : 813,519.95 = 163,219.23 : x
  2. Step 2: Convert to fraction form
    542,270.77/813,519.95 = 163,219.23/x
  3. Step 3: Cross multiply
    542,270.77x = 813,519.95 × 163,219.23
  4. Step 4: Simplify right side
    542,270.77x = 132,782,099,012.54
  5. Step 5: Solve for x
    x = 132,782,099,012.54/542,270.77
  6. Step 6: Final answer
    x = 244,863.10

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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.