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Finding the Fourth Proportional to 344,645.79, 475,540.77 and 201,378.15

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Solution

The fourth proportional to 344,645.79, 475,540.77 and 201,378.15 is: 277,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,645.79 : 475,540.77 = 201,378.15 : x
  2. Step 2: Convert to fraction form
    344,645.79/475,540.77 = 201,378.15/x
  3. Step 3: Cross multiply
    344,645.79x = 475,540.77 × 201,378.15
  4. Step 4: Simplify right side
    344,645.79x = 95,763,521,267.34
  5. Step 5: Solve for x
    x = 95,763,521,267.34/344,645.79
  6. Step 6: Final answer
    x = 277,860.71

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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.