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Finding the Fourth Proportional to 342,485.32, 472,724.76 and 199,273.08

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Solution

The fourth proportional to 342,485.32, 472,724.76 and 199,273.08 is: 275,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,485.32 : 472,724.76 = 199,273.08 : x
  2. Step 2: Convert to fraction form
    342,485.32/472,724.76 = 199,273.08/x
  3. Step 3: Cross multiply
    342,485.32x = 472,724.76 × 199,273.08
  4. Step 4: Simplify right side
    342,485.32x = 94,201,318,917.46
  5. Step 5: Solve for x
    x = 94,201,318,917.46/342,485.32
  6. Step 6: Final answer
    x = 275,052.14

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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.