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Finding the Fourth Proportional to 486,706.04, 671,647.26 and 271,849.16

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Solution

The fourth proportional to 486,706.04, 671,647.26 and 271,849.16 is: 375,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,706.04 : 671,647.26 = 271,849.16 : x
  2. Step 2: Convert to fraction form
    486,706.04/671,647.26 = 271,849.16/x
  3. Step 3: Cross multiply
    486,706.04x = 671,647.26 × 271,849.16
  4. Step 4: Simplify right side
    486,706.04x = 182,586,743,447.30
  5. Step 5: Solve for x
    x = 182,586,743,447.30/486,706.04
  6. Step 6: Final answer
    x = 375,147.89

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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.