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Finding the Fourth Proportional to 627,459.16, 941,305.38 and 206,751.64

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Solution

The fourth proportional to 627,459.16, 941,305.38 and 206,751.64 is: 310,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,459.16 : 941,305.38 = 206,751.64 : x
  2. Step 2: Convert to fraction form
    627,459.16/941,305.38 = 206,751.64/x
  3. Step 3: Cross multiply
    627,459.16x = 941,305.38 × 206,751.64
  4. Step 4: Simplify right side
    627,459.16x = 194,616,431,055.82
  5. Step 5: Solve for x
    x = 194,616,431,055.82/627,459.16
  6. Step 6: Final answer
    x = 310,165.89

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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.