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Finding the Fourth Proportional to 541,993.28, 812,990.24 and 226,278.08

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Solution

The fourth proportional to 541,993.28, 812,990.24 and 226,278.08 is: 339,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,993.28 : 812,990.24 = 226,278.08 : x
  2. Step 2: Convert to fraction form
    541,993.28/812,990.24 = 226,278.08/x
  3. Step 3: Cross multiply
    541,993.28x = 812,990.24 × 226,278.08
  4. Step 4: Simplify right side
    541,993.28x = 183,961,870,565.94
  5. Step 5: Solve for x
    x = 183,961,870,565.94/541,993.28
  6. Step 6: Final answer
    x = 339,417.25

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Similar ratio
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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.