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Finding the Fourth Proportional to 322,315.48, 483,476.10 and 132,730.84

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Solution

The fourth proportional to 322,315.48, 483,476.10 and 132,730.84 is: 199,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,315.48 : 483,476.10 = 132,730.84 : x
  2. Step 2: Convert to fraction form
    322,315.48/483,476.10 = 132,730.84/x
  3. Step 3: Cross multiply
    322,315.48x = 483,476.10 × 132,730.84
  4. Step 4: Simplify right side
    322,315.48x = 64,172,188,872.92
  5. Step 5: Solve for x
    x = 64,172,188,872.92/322,315.48
  6. Step 6: Final answer
    x = 199,097.45

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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.