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Finding the Fourth Proportional to 226,859.60, 339,943.80 and 191,608.40

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Solution

The fourth proportional to 226,859.60, 339,943.80 and 191,608.40 is: 287,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,859.60 : 339,943.80 = 191,608.40 : x
  2. Step 2: Convert to fraction form
    226,859.60/339,943.80 = 191,608.40/x
  3. Step 3: Cross multiply
    226,859.60x = 339,943.80 × 191,608.40
  4. Step 4: Simplify right side
    226,859.60x = 65,136,087,607.92
  5. Step 5: Solve for x
    x = 65,136,087,607.92/226,859.60
  6. Step 6: Final answer
    x = 287,120.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.