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Finding the Fourth Proportional to 366,407.75, 548,799.60 and 281,543.24

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Solution

The fourth proportional to 366,407.75, 548,799.60 and 281,543.24 is: 421,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,407.75 : 548,799.60 = 281,543.24 : x
  2. Step 2: Convert to fraction form
    366,407.75/548,799.60 = 281,543.24/x
  3. Step 3: Cross multiply
    366,407.75x = 548,799.60 × 281,543.24
  4. Step 4: Simplify right side
    366,407.75x = 154,510,819,922.49
  5. Step 5: Solve for x
    x = 154,510,819,922.49/366,407.75
  6. Step 6: Final answer
    x = 421,690.91

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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.