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Finding the Fourth Proportional to 386,116.97, 532,525.50 and 271,774.13

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Solution

The fourth proportional to 386,116.97, 532,525.50 and 271,774.13 is: 374,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,116.97 : 532,525.50 = 271,774.13 : x
  2. Step 2: Convert to fraction form
    386,116.97/532,525.50 = 271,774.13/x
  3. Step 3: Cross multiply
    386,116.97x = 532,525.50 × 271,774.13
  4. Step 4: Simplify right side
    386,116.97x = 144,726,651,802.69
  5. Step 5: Solve for x
    x = 144,726,651,802.69/386,116.97
  6. Step 6: Final answer
    x = 374,825.93

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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.