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Finding the Fourth Proportional to 322,854.16, 445,553.08 and 269,049.04

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Solution

The fourth proportional to 322,854.16, 445,553.08 and 269,049.04 is: 371,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,854.16 : 445,553.08 = 269,049.04 : x
  2. Step 2: Convert to fraction form
    322,854.16/445,553.08 = 269,049.04/x
  3. Step 3: Cross multiply
    322,854.16x = 445,553.08 × 269,049.04
  4. Step 4: Simplify right side
    322,854.16x = 119,875,628,443.04
  5. Step 5: Solve for x
    x = 119,875,628,443.04/322,854.16
  6. Step 6: Final answer
    x = 371,299.62

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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.