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Finding the Fourth Proportional to 366,963.95, 550,445.93 and 254,989.55

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Solution

The fourth proportional to 366,963.95, 550,445.93 and 254,989.55 is: 382,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,963.95 : 550,445.93 = 254,989.55 : x
  2. Step 2: Convert to fraction form
    366,963.95/550,445.93 = 254,989.55/x
  3. Step 3: Cross multiply
    366,963.95x = 550,445.93 × 254,989.55
  4. Step 4: Simplify right side
    366,963.95x = 140,357,959,990.03
  5. Step 5: Solve for x
    x = 140,357,959,990.03/366,963.95
  6. Step 6: Final answer
    x = 382,484.33

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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.