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Finding the Fourth Proportional to 488,359.75, 735,867.36 and 401,557.75

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Solution

The fourth proportional to 488,359.75, 735,867.36 and 401,557.75 is: 605,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,359.75 : 735,867.36 = 401,557.75 : x
  2. Step 2: Convert to fraction form
    488,359.75/735,867.36 = 401,557.75/x
  3. Step 3: Cross multiply
    488,359.75x = 735,867.36 × 401,557.75
  4. Step 4: Simplify right side
    488,359.75x = 295,493,241,380.04
  5. Step 5: Solve for x
    x = 295,493,241,380.04/488,359.75
  6. Step 6: Final answer
    x = 605,072.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.