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Finding the Fourth Proportional to 366,860.80, 550,291.20 and 100,648.23

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Solution

The fourth proportional to 366,860.80, 550,291.20 and 100,648.23 is: 150,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,860.80 : 550,291.20 = 100,648.23 : x
  2. Step 2: Convert to fraction form
    366,860.80/550,291.20 = 100,648.23/x
  3. Step 3: Cross multiply
    366,860.80x = 550,291.20 × 100,648.23
  4. Step 4: Simplify right side
    366,860.80x = 55,385,835,264.58
  5. Step 5: Solve for x
    x = 55,385,835,264.58/366,860.80
  6. Step 6: Final answer
    x = 150,972.35

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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.