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Finding the Fourth Proportional to 226,657.70, 339,986.55 and 187,259.30

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Solution

The fourth proportional to 226,657.70, 339,986.55 and 187,259.30 is: 280,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,657.70 : 339,986.55 = 187,259.30 : x
  2. Step 2: Convert to fraction form
    226,657.70/339,986.55 = 187,259.30/x
  3. Step 3: Cross multiply
    226,657.70x = 339,986.55 × 187,259.30
  4. Step 4: Simplify right side
    226,657.70x = 63,665,643,362.42
  5. Step 5: Solve for x
    x = 63,665,643,362.42/226,657.70
  6. Step 6: Final answer
    x = 280,888.95

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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.