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Finding the Fourth Proportional to 542,159.67, 748,182.09 and 300,446.22

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Solution

The fourth proportional to 542,159.67, 748,182.09 and 300,446.22 is: 414,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,159.67 : 748,182.09 = 300,446.22 : x
  2. Step 2: Convert to fraction form
    542,159.67/748,182.09 = 300,446.22/x
  3. Step 3: Cross multiply
    542,159.67x = 748,182.09 × 300,446.22
  4. Step 4: Simplify right side
    542,159.67x = 224,788,480,812.20
  5. Step 5: Solve for x
    x = 224,788,480,812.20/542,159.67
  6. Step 6: Final answer
    x = 414,616.75

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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.