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Finding the Fourth Proportional to 258,792.56, 357,273.92 and 181,505.56

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Solution

The fourth proportional to 258,792.56, 357,273.92 and 181,505.56 is: 250,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,792.56 : 357,273.92 = 181,505.56 : x
  2. Step 2: Convert to fraction form
    258,792.56/357,273.92 = 181,505.56/x
  3. Step 3: Cross multiply
    258,792.56x = 357,273.92 × 181,505.56
  4. Step 4: Simplify right side
    258,792.56x = 64,847,202,923.00
  5. Step 5: Solve for x
    x = 64,847,202,923.00/258,792.56
  6. Step 6: Final answer
    x = 250,575.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.