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Finding the Fourth Proportional to 366,974.10, 550,461.15 and 254,999.70

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Solution

The fourth proportional to 366,974.10, 550,461.15 and 254,999.70 is: 382,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,974.10 : 550,461.15 = 254,999.70 : x
  2. Step 2: Convert to fraction form
    366,974.10/550,461.15 = 254,999.70/x
  3. Step 3: Cross multiply
    366,974.10x = 550,461.15 × 254,999.70
  4. Step 4: Simplify right side
    366,974.10x = 140,367,428,111.66
  5. Step 5: Solve for x
    x = 140,367,428,111.66/366,974.10
  6. Step 6: Final answer
    x = 382,499.55

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Similar ratio
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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.