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Finding the Fourth Proportional to 532,080.72, 798,118.80 and 132,720.96

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Solution

The fourth proportional to 532,080.72, 798,118.80 and 132,720.96 is: 199,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,080.72 : 798,118.80 = 132,720.96 : x
  2. Step 2: Convert to fraction form
    532,080.72/798,118.80 = 132,720.96/x
  3. Step 3: Cross multiply
    532,080.72x = 798,118.80 × 132,720.96
  4. Step 4: Simplify right side
    532,080.72x = 105,927,093,330.05
  5. Step 5: Solve for x
    x = 105,927,093,330.05/532,080.72
  6. Step 6: Final answer
    x = 199,080.87

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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.