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Finding the Fourth Proportional to 354,850.80, 532,215.72 and 177,169.20

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Solution

The fourth proportional to 354,850.80, 532,215.72 and 177,169.20 is: 265,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,850.80 : 532,215.72 = 177,169.20 : x
  2. Step 2: Convert to fraction form
    354,850.80/532,215.72 = 177,169.20/x
  3. Step 3: Cross multiply
    354,850.80x = 532,215.72 × 177,169.20
  4. Step 4: Simplify right side
    354,850.80x = 94,292,233,339.82
  5. Step 5: Solve for x
    x = 94,292,233,339.82/354,850.80
  6. Step 6: Final answer
    x = 265,723.60

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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.