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Finding the Fourth Proportional to 367,023.68, 550,535.51 and 311,036.48

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Solution

The fourth proportional to 367,023.68, 550,535.51 and 311,036.48 is: 466,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,023.68 : 550,535.51 = 311,036.48 : x
  2. Step 2: Convert to fraction form
    367,023.68/550,535.51 = 311,036.48/x
  3. Step 3: Cross multiply
    367,023.68x = 550,535.51 × 311,036.48
  4. Step 4: Simplify right side
    367,023.68x = 171,236,625,170.32
  5. Step 5: Solve for x
    x = 171,236,625,170.32/367,023.68
  6. Step 6: Final answer
    x = 466,554.71

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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.