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Finding the Fourth Proportional to 374,080.20, 561,120.30 and 224,489.40

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Solution

The fourth proportional to 374,080.20, 561,120.30 and 224,489.40 is: 336,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,080.20 : 561,120.30 = 224,489.40 : x
  2. Step 2: Convert to fraction form
    374,080.20/561,120.30 = 224,489.40/x
  3. Step 3: Cross multiply
    374,080.20x = 561,120.30 × 224,489.40
  4. Step 4: Simplify right side
    374,080.20x = 125,965,559,474.82
  5. Step 5: Solve for x
    x = 125,965,559,474.82/374,080.20
  6. Step 6: Final answer
    x = 336,734.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.