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Finding the Fourth Proportional to 342,229.59, 472,340.02 and 219,874.92

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Solution

The fourth proportional to 342,229.59, 472,340.02 and 219,874.92 is: 303,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,229.59 : 472,340.02 = 219,874.92 : x
  2. Step 2: Convert to fraction form
    342,229.59/472,340.02 = 219,874.92/x
  3. Step 3: Cross multiply
    342,229.59x = 472,340.02 × 219,874.92
  4. Step 4: Simplify right side
    342,229.59x = 103,855,723,010.92
  5. Step 5: Solve for x
    x = 103,855,723,010.92/342,229.59
  6. Step 6: Final answer
    x = 303,467.98

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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.