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Finding the Fourth Proportional to 193,279.65, 289,427.40 and 184,422.30

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Solution

The fourth proportional to 193,279.65, 289,427.40 and 184,422.30 is: 276,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,279.65 : 289,427.40 = 184,422.30 : x
  2. Step 2: Convert to fraction form
    193,279.65/289,427.40 = 184,422.30/x
  3. Step 3: Cross multiply
    193,279.65x = 289,427.40 × 184,422.30
  4. Step 4: Simplify right side
    193,279.65x = 53,376,866,791.02
  5. Step 5: Solve for x
    x = 53,376,866,791.02/193,279.65
  6. Step 6: Final answer
    x = 276,163.93

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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.