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Finding the Fourth Proportional to 453,906.40, 680,859.60 and 201,307.90

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Solution

The fourth proportional to 453,906.40, 680,859.60 and 201,307.90 is: 301,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,906.40 : 680,859.60 = 201,307.90 : x
  2. Step 2: Convert to fraction form
    453,906.40/680,859.60 = 201,307.90/x
  3. Step 3: Cross multiply
    453,906.40x = 680,859.60 × 201,307.90
  4. Step 4: Simplify right side
    453,906.40x = 137,062,416,270.84
  5. Step 5: Solve for x
    x = 137,062,416,270.84/453,906.40
  6. Step 6: Final answer
    x = 301,961.85

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Similar ratio
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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.