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Finding the Fourth Proportional to 193,288.65, 289,440.90 and 184,431.30

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Solution

The fourth proportional to 193,288.65, 289,440.90 and 184,431.30 is: 276,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,288.65 : 289,440.90 = 184,431.30 : x
  2. Step 2: Convert to fraction form
    193,288.65/289,440.90 = 184,431.30/x
  3. Step 3: Cross multiply
    193,288.65x = 289,440.90 × 184,431.30
  4. Step 4: Simplify right side
    193,288.65x = 53,381,961,460.17
  5. Step 5: Solve for x
    x = 53,381,961,460.17/193,288.65
  6. Step 6: Final answer
    x = 276,177.42

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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.