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Finding the Fourth Proportional to 264,860.80, 397,291.20 and 170,382.40

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Solution

The fourth proportional to 264,860.80, 397,291.20 and 170,382.40 is: 255,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,860.80 : 397,291.20 = 170,382.40 : x
  2. Step 2: Convert to fraction form
    264,860.80/397,291.20 = 170,382.40/x
  3. Step 3: Cross multiply
    264,860.80x = 397,291.20 × 170,382.40
  4. Step 4: Simplify right side
    264,860.80x = 67,691,428,154.88
  5. Step 5: Solve for x
    x = 67,691,428,154.88/264,860.80
  6. Step 6: Final answer
    x = 255,573.60

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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.