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Finding the Fourth Proportional to 662,361.18, 914,080.50 and 372,023.84

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Solution

The fourth proportional to 662,361.18, 914,080.50 and 372,023.84 is: 513,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,361.18 : 914,080.50 = 372,023.84 : x
  2. Step 2: Convert to fraction form
    662,361.18/914,080.50 = 372,023.84/x
  3. Step 3: Cross multiply
    662,361.18x = 914,080.50 × 372,023.84
  4. Step 4: Simplify right side
    662,361.18x = 340,059,737,679.12
  5. Step 5: Solve for x
    x = 340,059,737,679.12/662,361.18
  6. Step 6: Final answer
    x = 513,405.30

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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.