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Finding the Fourth Proportional to 258,643.56, 357,092.10 and 177,108.26

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Solution

The fourth proportional to 258,643.56, 357,092.10 and 177,108.26 is: 244,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,643.56 : 357,092.10 = 177,108.26 : x
  2. Step 2: Convert to fraction form
    258,643.56/357,092.10 = 177,108.26/x
  3. Step 3: Cross multiply
    258,643.56x = 357,092.10 × 177,108.26
  4. Step 4: Simplify right side
    258,643.56x = 63,243,958,705.29
  5. Step 5: Solve for x
    x = 63,243,958,705.29/258,643.56
  6. Step 6: Final answer
    x = 244,521.68

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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.