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Finding the Fourth Proportional to 542,773.55, 749,117.18 and 301,133.95

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Solution

The fourth proportional to 542,773.55, 749,117.18 and 301,133.95 is: 415,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,773.55 : 749,117.18 = 301,133.95 : x
  2. Step 2: Convert to fraction form
    542,773.55/749,117.18 = 301,133.95/x
  3. Step 3: Cross multiply
    542,773.55x = 749,117.18 × 301,133.95
  4. Step 4: Simplify right side
    542,773.55x = 225,584,614,306.30
  5. Step 5: Solve for x
    x = 225,584,614,306.30/542,773.55
  6. Step 6: Final answer
    x = 415,614.60

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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.