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Finding the Fourth Proportional to 366,940.80, 550,411.20 and 240,641.55

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Solution

The fourth proportional to 366,940.80, 550,411.20 and 240,641.55 is: 360,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.80 : 550,411.20 = 240,641.55 : x
  2. Step 2: Convert to fraction form
    366,940.80/550,411.20 = 240,641.55/x
  3. Step 3: Cross multiply
    366,940.80x = 550,411.20 × 240,641.55
  4. Step 4: Simplify right side
    366,940.80x = 132,451,804,305.36
  5. Step 5: Solve for x
    x = 132,451,804,305.36/366,940.80
  6. Step 6: Final answer
    x = 360,962.33

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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.