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Finding the Fourth Proportional to 404,277.80, 605,930.70 and 167,498.60

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Solution

The fourth proportional to 404,277.80, 605,930.70 and 167,498.60 is: 251,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,277.80 : 605,930.70 = 167,498.60 : x
  2. Step 2: Convert to fraction form
    404,277.80/605,930.70 = 167,498.60/x
  3. Step 3: Cross multiply
    404,277.80x = 605,930.70 × 167,498.60
  4. Step 4: Simplify right side
    404,277.80x = 101,492,543,947.02
  5. Step 5: Solve for x
    x = 101,492,543,947.02/404,277.80
  6. Step 6: Final answer
    x = 251,046.54

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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.