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Finding the Fourth Proportional to 342,229.00, 472,339.20 and 219,874.33

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Solution

The fourth proportional to 342,229.00, 472,339.20 and 219,874.33 is: 303,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,229.00 : 472,339.20 = 219,874.33 : x
  2. Step 2: Convert to fraction form
    342,229.00/472,339.20 = 219,874.33/x
  3. Step 3: Cross multiply
    342,229.00x = 472,339.20 × 219,874.33
  4. Step 4: Simplify right side
    342,229.00x = 103,855,263,364.05
  5. Step 5: Solve for x
    x = 103,855,263,364.05/342,229.00
  6. Step 6: Final answer
    x = 303,467.16

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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.