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Finding the Fourth Proportional to 371,195.52, 512,244.48 and 218,251.32

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Solution

The fourth proportional to 371,195.52, 512,244.48 and 218,251.32 is: 301,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,195.52 : 512,244.48 = 218,251.32 : x
  2. Step 2: Convert to fraction form
    371,195.52/512,244.48 = 218,251.32/x
  3. Step 3: Cross multiply
    371,195.52x = 512,244.48 × 218,251.32
  4. Step 4: Simplify right side
    371,195.52x = 111,798,033,922.71
  5. Step 5: Solve for x
    x = 111,798,033,922.71/371,195.52
  6. Step 6: Final answer
    x = 301,183.68

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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.