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Finding the Fourth Proportional to 305,895.38, 458,843.07 and 118,950.62

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Solution

The fourth proportional to 305,895.38, 458,843.07 and 118,950.62 is: 178,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,895.38 : 458,843.07 = 118,950.62 : x
  2. Step 2: Convert to fraction form
    305,895.38/458,843.07 = 118,950.62/x
  3. Step 3: Cross multiply
    305,895.38x = 458,843.07 × 118,950.62
  4. Step 4: Simplify right side
    305,895.38x = 54,579,667,659.20
  5. Step 5: Solve for x
    x = 54,579,667,659.20/305,895.38
  6. Step 6: Final answer
    x = 178,425.93

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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.