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Finding the Fourth Proportional to 344,286.93, 475,085.67 and 191,315.40

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Solution

The fourth proportional to 344,286.93, 475,085.67 and 191,315.40 is: 263,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,286.93 : 475,085.67 = 191,315.40 : x
  2. Step 2: Convert to fraction form
    344,286.93/475,085.67 = 191,315.40/x
  3. Step 3: Cross multiply
    344,286.93x = 475,085.67 × 191,315.40
  4. Step 4: Simplify right side
    344,286.93x = 90,891,204,990.32
  5. Step 5: Solve for x
    x = 90,891,204,990.32/344,286.93
  6. Step 6: Final answer
    x = 263,998.42

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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.