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Finding the Fourth Proportional to 295,705.52, 408,073.38 and 161,569.52

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Solution

The fourth proportional to 295,705.52, 408,073.38 and 161,569.52 is: 222,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,705.52 : 408,073.38 = 161,569.52 : x
  2. Step 2: Convert to fraction form
    295,705.52/408,073.38 = 161,569.52/x
  3. Step 3: Cross multiply
    295,705.52x = 408,073.38 × 161,569.52
  4. Step 4: Simplify right side
    295,705.52x = 65,932,220,131.38
  5. Step 5: Solve for x
    x = 65,932,220,131.38/295,705.52
  6. Step 6: Final answer
    x = 222,965.81

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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.