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Finding the Fourth Proportional to 366,959.95, 550,439.93 and 254,985.55

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Solution

The fourth proportional to 366,959.95, 550,439.93 and 254,985.55 is: 382,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,959.95 : 550,439.93 = 254,985.55 : x
  2. Step 2: Convert to fraction form
    366,959.95/550,439.93 = 254,985.55/x
  3. Step 3: Cross multiply
    366,959.95x = 550,439.93 × 254,985.55
  4. Step 4: Simplify right side
    366,959.95x = 140,354,228,293.01
  5. Step 5: Solve for x
    x = 140,354,228,293.01/366,959.95
  6. Step 6: Final answer
    x = 382,478.33

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Double scale
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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.