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Finding the Fourth Proportional to 342,245.44, 472,357.08 and 199,088.56

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Solution

The fourth proportional to 342,245.44, 472,357.08 and 199,088.56 is: 274,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,245.44 : 472,357.08 = 199,088.56 : x
  2. Step 2: Convert to fraction form
    342,245.44/472,357.08 = 199,088.56/x
  3. Step 3: Cross multiply
    342,245.44x = 472,357.08 × 199,088.56
  4. Step 4: Simplify right side
    342,245.44x = 94,040,890,863.00
  5. Step 5: Solve for x
    x = 94,040,890,863.00/342,245.44
  6. Step 6: Final answer
    x = 274,776.17

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1.5x scale

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.