Home / 295,306.20-442,959.30-272,496.60

Finding the Fourth Proportional to 295,306.20, 442,959.30 and 272,496.60

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Solution

The fourth proportional to 295,306.20, 442,959.30 and 272,496.60 is: 408,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,306.20 : 442,959.30 = 272,496.60 : x
  2. Step 2: Convert to fraction form
    295,306.20/442,959.30 = 272,496.60/x
  3. Step 3: Cross multiply
    295,306.20x = 442,959.30 × 272,496.60
  4. Step 4: Simplify right side
    295,306.20x = 120,704,903,188.38
  5. Step 5: Solve for x
    x = 120,704,903,188.38/295,306.20
  6. Step 6: Final answer
    x = 408,744.90

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