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Finding the Fourth Proportional to 542,760.10, 749,098.63 and 301,120.52

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Solution

The fourth proportional to 542,760.10, 749,098.63 and 301,120.52 is: 415,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,760.10 : 749,098.63 = 301,120.52 : x
  2. Step 2: Convert to fraction form
    542,760.10/749,098.63 = 301,120.52/x
  3. Step 3: Cross multiply
    542,760.10x = 749,098.63 × 301,120.52
  4. Step 4: Simplify right side
    542,760.10x = 225,568,973,001.74
  5. Step 5: Solve for x
    x = 225,568,973,001.74/542,760.10
  6. Step 6: Final answer
    x = 415,596.08

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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.