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Finding the Fourth Proportional to 422,459.24, 632,872.28 and 234,902.12

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Solution

The fourth proportional to 422,459.24, 632,872.28 and 234,902.12 is: 351,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,459.24 : 632,872.28 = 234,902.12 : x
  2. Step 2: Convert to fraction form
    422,459.24/632,872.28 = 234,902.12/x
  3. Step 3: Cross multiply
    422,459.24x = 632,872.28 × 234,902.12
  4. Step 4: Simplify right side
    422,459.24x = 148,663,039,086.72
  5. Step 5: Solve for x
    x = 148,663,039,086.72/422,459.24
  6. Step 6: Final answer
    x = 351,899.13

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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.