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Finding the Fourth Proportional to 403,671.74, 605,788.68 and 167,015.66

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Solution

The fourth proportional to 403,671.74, 605,788.68 and 167,015.66 is: 250,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,671.74 : 605,788.68 = 167,015.66 : x
  2. Step 2: Convert to fraction form
    403,671.74/605,788.68 = 167,015.66/x
  3. Step 3: Cross multiply
    403,671.74x = 605,788.68 × 167,015.66
  4. Step 4: Simplify right side
    403,671.74x = 101,176,196,210.73
  5. Step 5: Solve for x
    x = 101,176,196,210.73/403,671.74
  6. Step 6: Final answer
    x = 250,639.78

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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.