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Finding the Fourth Proportional to 486,734.46, 671,673.51 and 271,873.50

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Solution

The fourth proportional to 486,734.46, 671,673.51 and 271,873.50 is: 375,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,734.46 : 671,673.51 = 271,873.50 : x
  2. Step 2: Convert to fraction form
    486,734.46/671,673.51 = 271,873.50/x
  3. Step 3: Cross multiply
    486,734.46x = 671,673.51 × 271,873.50
  4. Step 4: Simplify right side
    486,734.46x = 182,610,228,020.99
  5. Step 5: Solve for x
    x = 182,610,228,020.99/486,734.46
  6. Step 6: Final answer
    x = 375,174.23

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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.