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Finding the Fourth Proportional to 322,043.70, 483,065.55 and 203,330.10

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Solution

The fourth proportional to 322,043.70, 483,065.55 and 203,330.10 is: 304,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,043.70 : 483,065.55 = 203,330.10 : x
  2. Step 2: Convert to fraction form
    322,043.70/483,065.55 = 203,330.10/x
  3. Step 3: Cross multiply
    322,043.70x = 483,065.55 × 203,330.10
  4. Step 4: Simplify right side
    322,043.70x = 98,221,766,588.06
  5. Step 5: Solve for x
    x = 98,221,766,588.06/322,043.70
  6. Step 6: Final answer
    x = 304,995.15

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Similar ratio
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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.