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Finding the Fourth Proportional to 344,223.81, 475,027.32 and 191,286.90

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Solution

The fourth proportional to 344,223.81, 475,027.32 and 191,286.90 is: 263,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,223.81 : 475,027.32 = 191,286.90 : x
  2. Step 2: Convert to fraction form
    344,223.81/475,027.32 = 191,286.90/x
  3. Step 3: Cross multiply
    344,223.81x = 475,027.32 × 191,286.90
  4. Step 4: Simplify right side
    344,223.81x = 90,866,503,458.11
  5. Step 5: Solve for x
    x = 90,866,503,458.11/344,223.81
  6. Step 6: Final answer
    x = 263,975.07

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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.