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Finding the Fourth Proportional to 264,225.80, 396,597.90 and 131,256.20

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Solution

The fourth proportional to 264,225.80, 396,597.90 and 131,256.20 is: 197,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,225.80 : 396,597.90 = 131,256.20 : x
  2. Step 2: Convert to fraction form
    264,225.80/396,597.90 = 131,256.20/x
  3. Step 3: Cross multiply
    264,225.80x = 396,597.90 × 131,256.20
  4. Step 4: Simplify right side
    264,225.80x = 52,055,933,281.98
  5. Step 5: Solve for x
    x = 52,055,933,281.98/264,225.80
  6. Step 6: Final answer
    x = 197,013.06

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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.