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Finding the Fourth Proportional to 403,252.60, 605,097.60 and 166,619.20

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Solution

The fourth proportional to 403,252.60, 605,097.60 and 166,619.20 is: 250,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,252.60 : 605,097.60 = 166,619.20 : x
  2. Step 2: Convert to fraction form
    403,252.60/605,097.60 = 166,619.20/x
  3. Step 3: Cross multiply
    403,252.60x = 605,097.60 × 166,619.20
  4. Step 4: Simplify right side
    403,252.60x = 100,820,878,033.92
  5. Step 5: Solve for x
    x = 100,820,878,033.92/403,252.60
  6. Step 6: Final answer
    x = 250,019.16

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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.