Home / 295,046.20-442,569.30-272,236.60

Finding the Fourth Proportional to 295,046.20, 442,569.30 and 272,236.60

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Solution

The fourth proportional to 295,046.20, 442,569.30 and 272,236.60 is: 408,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,046.20 : 442,569.30 = 272,236.60 : x
  2. Step 2: Convert to fraction form
    295,046.20/442,569.30 = 272,236.60/x
  3. Step 3: Cross multiply
    295,046.20x = 442,569.30 × 272,236.60
  4. Step 4: Simplify right side
    295,046.20x = 120,483,561,496.38
  5. Step 5: Solve for x
    x = 120,483,561,496.38/295,046.20
  6. Step 6: Final answer
    x = 408,354.90

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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.