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Finding the Fourth Proportional to 408,278.58, 563,455.97 and 244,941.22

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Solution

The fourth proportional to 408,278.58, 563,455.97 and 244,941.22 is: 338,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,278.58 : 563,455.97 = 244,941.22 : x
  2. Step 2: Convert to fraction form
    408,278.58/563,455.97 = 244,941.22/x
  3. Step 3: Cross multiply
    408,278.58x = 563,455.97 × 244,941.22
  4. Step 4: Simplify right side
    408,278.58x = 138,013,592,708.08
  5. Step 5: Solve for x
    x = 138,013,592,708.08/408,278.58
  6. Step 6: Final answer
    x = 338,037.80

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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.