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Finding the Fourth Proportional to 474,872.64, 655,318.08 and 270,918.24

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Solution

The fourth proportional to 474,872.64, 655,318.08 and 270,918.24 is: 373,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,872.64 : 655,318.08 = 270,918.24 : x
  2. Step 2: Convert to fraction form
    474,872.64/655,318.08 = 270,918.24/x
  3. Step 3: Cross multiply
    474,872.64x = 655,318.08 × 270,918.24
  4. Step 4: Simplify right side
    474,872.64x = 177,537,620,873.78
  5. Step 5: Solve for x
    x = 177,537,620,873.78/474,872.64
  6. Step 6: Final answer
    x = 373,863.66

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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.