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Finding the Fourth Proportional to 269,416.52, 371,640.50 and 168,639.56

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Solution

The fourth proportional to 269,416.52, 371,640.50 and 168,639.56 is: 232,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,416.52 : 371,640.50 = 168,639.56 : x
  2. Step 2: Convert to fraction form
    269,416.52/371,640.50 = 168,639.56/x
  3. Step 3: Cross multiply
    269,416.52x = 371,640.50 × 168,639.56
  4. Step 4: Simplify right side
    269,416.52x = 62,673,290,398.18
  5. Step 5: Solve for x
    x = 62,673,290,398.18/269,416.52
  6. Step 6: Final answer
    x = 232,626.01

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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.