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Finding the Fourth Proportional to 322,020.64, 483,108.72 and 111,653.92

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Solution

The fourth proportional to 322,020.64, 483,108.72 and 111,653.92 is: 167,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,020.64 : 483,108.72 = 111,653.92 : x
  2. Step 2: Convert to fraction form
    322,020.64/483,108.72 = 111,653.92/x
  3. Step 3: Cross multiply
    322,020.64x = 483,108.72 × 111,653.92
  4. Step 4: Simplify right side
    322,020.64x = 53,940,982,374.18
  5. Step 5: Solve for x
    x = 53,940,982,374.18/322,020.64
  6. Step 6: Final answer
    x = 167,507.84

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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.