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Finding the Fourth Proportional to 231,820.80, 347,280.02 and 170,920.14

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Solution

The fourth proportional to 231,820.80, 347,280.02 and 170,920.14 is: 256,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,820.80 : 347,280.02 = 170,920.14 : x
  2. Step 2: Convert to fraction form
    231,820.80/347,280.02 = 170,920.14/x
  3. Step 3: Cross multiply
    231,820.80x = 347,280.02 × 170,920.14
  4. Step 4: Simplify right side
    231,820.80x = 59,357,147,046.60
  5. Step 5: Solve for x
    x = 59,357,147,046.60/231,820.80
  6. Step 6: Final answer
    x = 256,047.55

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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.