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Finding the Fourth Proportional to 322,084.96, 483,288 and 144,718.72

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Solution

The fourth proportional to 322,084.96, 483,288 and 144,718.72 is: 217,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,084.96 : 483,288 = 144,718.72 : x
  2. Step 2: Convert to fraction form
    322,084.96/483,288 = 144,718.72/x
  3. Step 3: Cross multiply
    322,084.96x = 483,288 × 144,718.72
  4. Step 4: Simplify right side
    322,084.96x = 69,940,820,751.36
  5. Step 5: Solve for x
    x = 69,940,820,751.36/322,084.96
  6. Step 6: Final answer
    x = 217,150.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.