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Finding the Fourth Proportional to 322,414.40, 451,748.80 and 322,414.40

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Solution

The fourth proportional to 322,414.40, 451,748.80 and 322,414.40 is: 451,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,414.40 : 451,748.80 = 322,414.40 : x
  2. Step 2: Convert to fraction form
    322,414.40/451,748.80 = 322,414.40/x
  3. Step 3: Cross multiply
    322,414.40x = 451,748.80 × 322,414.40
  4. Step 4: Simplify right side
    322,414.40x = 145,650,318,302.72
  5. Step 5: Solve for x
    x = 145,650,318,302.72/322,414.40
  6. Step 6: Final answer
    x = 451,748.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.