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Finding the Fourth Proportional to 322,572.20, 483,858.30 and 233,407.40

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Solution

The fourth proportional to 322,572.20, 483,858.30 and 233,407.40 is: 350,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,572.20 : 483,858.30 = 233,407.40 : x
  2. Step 2: Convert to fraction form
    322,572.20/483,858.30 = 233,407.40/x
  3. Step 3: Cross multiply
    322,572.20x = 483,858.30 × 233,407.40
  4. Step 4: Simplify right side
    322,572.20x = 112,936,107,771.42
  5. Step 5: Solve for x
    x = 112,936,107,771.42/322,572.20
  6. Step 6: Final answer
    x = 350,111.10

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Double scale
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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.