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Finding the Fourth Proportional to 366,963.45, 550,445.18 and 254,989.05

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Solution

The fourth proportional to 366,963.45, 550,445.18 and 254,989.05 is: 382,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,963.45 : 550,445.18 = 254,989.05 : x
  2. Step 2: Convert to fraction form
    366,963.45/550,445.18 = 254,989.05/x
  3. Step 3: Cross multiply
    366,963.45x = 550,445.18 × 254,989.05
  4. Step 4: Simplify right side
    366,963.45x = 140,357,493,525.28
  5. Step 5: Solve for x
    x = 140,357,493,525.28/366,963.45
  6. Step 6: Final answer
    x = 382,483.58

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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.