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Finding the Fourth Proportional to 403,994.59, 605,805.55 and 119,583.41

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Solution

The fourth proportional to 403,994.59, 605,805.55 and 119,583.41 is: 179,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,994.59 : 605,805.55 = 119,583.41 : x
  2. Step 2: Convert to fraction form
    403,994.59/605,805.55 = 119,583.41/x
  3. Step 3: Cross multiply
    403,994.59x = 605,805.55 × 119,583.41
  4. Step 4: Simplify right side
    403,994.59x = 72,444,290,137.94
  5. Step 5: Solve for x
    x = 72,444,290,137.94/403,994.59
  6. Step 6: Final answer
    x = 179,319.95

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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.