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Finding the Fourth Proportional to 542,763.99, 749,060.19 and 301,124.25

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Solution

The fourth proportional to 542,763.99, 749,060.19 and 301,124.25 is: 415,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,763.99 : 749,060.19 = 301,124.25 : x
  2. Step 2: Convert to fraction form
    542,763.99/749,060.19 = 301,124.25/x
  3. Step 3: Cross multiply
    542,763.99x = 749,060.19 × 301,124.25
  4. Step 4: Simplify right side
    542,763.99x = 225,560,187,918.61
  5. Step 5: Solve for x
    x = 225,560,187,918.61/542,763.99
  6. Step 6: Final answer
    x = 415,576.92

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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.