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Finding the Fourth Proportional to 374,994.21, 516,954.06 and 267,377.61

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Solution

The fourth proportional to 374,994.21, 516,954.06 and 267,377.61 is: 368,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,994.21 : 516,954.06 = 267,377.61 : x
  2. Step 2: Convert to fraction form
    374,994.21/516,954.06 = 267,377.61/x
  3. Step 3: Cross multiply
    374,994.21x = 516,954.06 × 267,377.61
  4. Step 4: Simplify right side
    374,994.21x = 138,221,941,042.60
  5. Step 5: Solve for x
    x = 138,221,941,042.60/374,994.21
  6. Step 6: Final answer
    x = 368,597.53

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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.