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Finding the Fourth Proportional to 542,227.66, 748,274.15 and 300,546.54

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Solution

The fourth proportional to 542,227.66, 748,274.15 and 300,546.54 is: 414,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,227.66 : 748,274.15 = 300,546.54 : x
  2. Step 2: Convert to fraction form
    542,227.66/748,274.15 = 300,546.54/x
  3. Step 3: Cross multiply
    542,227.66x = 748,274.15 × 300,546.54
  4. Step 4: Simplify right side
    542,227.66x = 224,891,207,505.31
  5. Step 5: Solve for x
    x = 224,891,207,505.31/542,227.66
  6. Step 6: Final answer
    x = 414,754.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.