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Finding the Fourth Proportional to 486,707.04, 671,648.64 and 271,850.16

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Solution

The fourth proportional to 486,707.04, 671,648.64 and 271,850.16 is: 375,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,707.04 : 671,648.64 = 271,850.16 : x
  2. Step 2: Convert to fraction form
    486,707.04/671,648.64 = 271,850.16/x
  3. Step 3: Cross multiply
    486,707.04x = 671,648.64 × 271,850.16
  4. Step 4: Simplify right side
    486,707.04x = 182,587,790,247.78
  5. Step 5: Solve for x
    x = 182,587,790,247.78/486,707.04
  6. Step 6: Final answer
    x = 375,149.27

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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.