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Finding the Fourth Proportional to 474,873.64, 655,319.46 and 270,919.24

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Solution

The fourth proportional to 474,873.64, 655,319.46 and 270,919.24 is: 373,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,873.64 : 655,319.46 = 270,919.24 : x
  2. Step 2: Convert to fraction form
    474,873.64/655,319.46 = 270,919.24/x
  3. Step 3: Cross multiply
    474,873.64x = 655,319.46 × 270,919.24
  4. Step 4: Simplify right side
    474,873.64x = 177,538,650,060.41
  5. Step 5: Solve for x
    x = 177,538,650,060.41/474,873.64
  6. Step 6: Final answer
    x = 373,865.04

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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.