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Finding the Fourth Proportional to 352,669.59, 486,354.92 and 271,967.67

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Solution

The fourth proportional to 352,669.59, 486,354.92 and 271,967.67 is: 375,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,669.59 : 486,354.92 = 271,967.67 : x
  2. Step 2: Convert to fraction form
    352,669.59/486,354.92 = 271,967.67/x
  3. Step 3: Cross multiply
    352,669.59x = 486,354.92 × 271,967.67
  4. Step 4: Simplify right side
    352,669.59x = 132,272,813,025.60
  5. Step 5: Solve for x
    x = 132,272,813,025.60/352,669.59
  6. Step 6: Final answer
    x = 375,061.58

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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.