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Finding the Fourth Proportional to 732,700.80, 1,099,180.80 and 259,660.80

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Solution

The fourth proportional to 732,700.80, 1,099,180.80 and 259,660.80 is: 389,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,700.80 : 1,099,180.80 = 259,660.80 : x
  2. Step 2: Convert to fraction form
    732,700.80/1,099,180.80 = 259,660.80/x
  3. Step 3: Cross multiply
    732,700.80x = 1,099,180.80 × 259,660.80
  4. Step 4: Simplify right side
    732,700.80x = 285,414,165,872.64
  5. Step 5: Solve for x
    x = 285,414,165,872.64/732,700.80
  6. Step 6: Final answer
    x = 389,537.13

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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.