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Finding the Fourth Proportional to 542,781.12, 813,596.70 and 182,608.98

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Solution

The fourth proportional to 542,781.12, 813,596.70 and 182,608.98 is: 273,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,781.12 : 813,596.70 = 182,608.98 : x
  2. Step 2: Convert to fraction form
    542,781.12/813,596.70 = 182,608.98/x
  3. Step 3: Cross multiply
    542,781.12x = 813,596.70 × 182,608.98
  4. Step 4: Simplify right side
    542,781.12x = 148,570,063,518.37
  5. Step 5: Solve for x
    x = 148,570,063,518.37/542,781.12
  6. Step 6: Final answer
    x = 273,720.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.