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Finding the Fourth Proportional to 366,966.10, 550,449.15 and 254,991.70

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Solution

The fourth proportional to 366,966.10, 550,449.15 and 254,991.70 is: 382,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,966.10 : 550,449.15 = 254,991.70 : x
  2. Step 2: Convert to fraction form
    366,966.10/550,449.15 = 254,991.70/x
  3. Step 3: Cross multiply
    366,966.10x = 550,449.15 × 254,991.70
  4. Step 4: Simplify right side
    366,966.10x = 140,359,964,522.06
  5. Step 5: Solve for x
    x = 140,359,964,522.06/366,966.10
  6. Step 6: Final answer
    x = 382,487.55

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1.5x scale

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.