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Finding the Fourth Proportional to 343,959.16, 474,637.60 and 193,027

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Solution

The fourth proportional to 343,959.16, 474,637.60 and 193,027 is: 266,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,959.16 : 474,637.60 = 193,027 : x
  2. Step 2: Convert to fraction form
    343,959.16/474,637.60 = 193,027/x
  3. Step 3: Cross multiply
    343,959.16x = 474,637.60 × 193,027
  4. Step 4: Simplify right side
    343,959.16x = 91,617,872,015.20
  5. Step 5: Solve for x
    x = 91,617,872,015.20/343,959.16
  6. Step 6: Final answer
    x = 266,362.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.