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Finding the Fourth Proportional to 366,920.05, 550,380.08 and 240,620.80

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Solution

The fourth proportional to 366,920.05, 550,380.08 and 240,620.80 is: 360,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.05 : 550,380.08 = 240,620.80 : x
  2. Step 2: Convert to fraction form
    366,920.05/550,380.08 = 240,620.80/x
  3. Step 3: Cross multiply
    366,920.05x = 550,380.08 × 240,620.80
  4. Step 4: Simplify right side
    366,920.05x = 132,432,895,153.66
  5. Step 5: Solve for x
    x = 132,432,895,153.66/366,920.05
  6. Step 6: Final answer
    x = 360,931.20

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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.