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Finding the Fourth Proportional to 261,796.20, 392,694.30 and 242,550.60

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Solution

The fourth proportional to 261,796.20, 392,694.30 and 242,550.60 is: 363,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,796.20 : 392,694.30 = 242,550.60 : x
  2. Step 2: Convert to fraction form
    261,796.20/392,694.30 = 242,550.60/x
  3. Step 3: Cross multiply
    261,796.20x = 392,694.30 × 242,550.60
  4. Step 4: Simplify right side
    261,796.20x = 95,248,238,081.58
  5. Step 5: Solve for x
    x = 95,248,238,081.58/261,796.20
  6. Step 6: Final answer
    x = 363,825.90

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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.