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Finding the Fourth Proportional to 354,906.80, 532,360.20 and 177,441.20

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Solution

The fourth proportional to 354,906.80, 532,360.20 and 177,441.20 is: 266,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,906.80 : 532,360.20 = 177,441.20 : x
  2. Step 2: Convert to fraction form
    354,906.80/532,360.20 = 177,441.20/x
  3. Step 3: Cross multiply
    354,906.80x = 532,360.20 × 177,441.20
  4. Step 4: Simplify right side
    354,906.80x = 94,462,632,720.24
  5. Step 5: Solve for x
    x = 94,462,632,720.24/354,906.80
  6. Step 6: Final answer
    x = 266,161.80

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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.