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Finding the Fourth Proportional to 348,350.88, 480,279.09 and 225,626.64

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Solution

The fourth proportional to 348,350.88, 480,279.09 and 225,626.64 is: 311,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,350.88 : 480,279.09 = 225,626.64 : x
  2. Step 2: Convert to fraction form
    348,350.88/480,279.09 = 225,626.64/x
  3. Step 3: Cross multiply
    348,350.88x = 480,279.09 × 225,626.64
  4. Step 4: Simplify right side
    348,350.88x = 108,363,757,338.96
  5. Step 5: Solve for x
    x = 108,363,757,338.96/348,350.88
  6. Step 6: Final answer
    x = 311,076.46

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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.