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Finding the Fourth Proportional to 542,394.24, 748,504.04 and 300,676.20

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Solution

The fourth proportional to 542,394.24, 748,504.04 and 300,676.20 is: 414,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,394.24 : 748,504.04 = 300,676.20 : x
  2. Step 2: Convert to fraction form
    542,394.24/748,504.04 = 300,676.20/x
  3. Step 3: Cross multiply
    542,394.24x = 748,504.04 × 300,676.20
  4. Step 4: Simplify right side
    542,394.24x = 225,057,350,431.85
  5. Step 5: Solve for x
    x = 225,057,350,431.85/542,394.24
  6. Step 6: Final answer
    x = 414,933.15

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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.