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Finding the Fourth Proportional to 366,906.80, 550,360.20 and 240,607.55

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Solution

The fourth proportional to 366,906.80, 550,360.20 and 240,607.55 is: 360,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,906.80 : 550,360.20 = 240,607.55 : x
  2. Step 2: Convert to fraction form
    366,906.80/550,360.20 = 240,607.55/x
  3. Step 3: Cross multiply
    366,906.80x = 550,360.20 × 240,607.55
  4. Step 4: Simplify right side
    366,906.80x = 132,420,819,339.51
  5. Step 5: Solve for x
    x = 132,420,819,339.51/366,906.80
  6. Step 6: Final answer
    x = 360,911.33

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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.