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Finding the Fourth Proportional to 261,799.80, 392,699.70 and 244,174.20

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Solution

The fourth proportional to 261,799.80, 392,699.70 and 244,174.20 is: 366,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,799.80 : 392,699.70 = 244,174.20 : x
  2. Step 2: Convert to fraction form
    261,799.80/392,699.70 = 244,174.20/x
  3. Step 3: Cross multiply
    261,799.80x = 392,699.70 × 244,174.20
  4. Step 4: Simplify right side
    261,799.80x = 95,887,135,087.74
  5. Step 5: Solve for x
    x = 95,887,135,087.74/261,799.80
  6. Step 6: Final answer
    x = 366,261.30

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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.