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Finding the Fourth Proportional to 261,460.42, 392,190.66 and 182,728.42

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Solution

The fourth proportional to 261,460.42, 392,190.66 and 182,728.42 is: 274,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,460.42 : 392,190.66 = 182,728.42 : x
  2. Step 2: Convert to fraction form
    261,460.42/392,190.66 = 182,728.42/x
  3. Step 3: Cross multiply
    261,460.42x = 392,190.66 × 182,728.42
  4. Step 4: Simplify right side
    261,460.42x = 71,664,379,640.56
  5. Step 5: Solve for x
    x = 71,664,379,640.56/261,460.42
  6. Step 6: Final answer
    x = 274,092.65

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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.