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Finding the Fourth Proportional to 305,895.88, 458,843.82 and 118,951.12

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Solution

The fourth proportional to 305,895.88, 458,843.82 and 118,951.12 is: 178,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,895.88 : 458,843.82 = 118,951.12 : x
  2. Step 2: Convert to fraction form
    305,895.88/458,843.82 = 118,951.12/x
  3. Step 3: Cross multiply
    305,895.88x = 458,843.82 × 118,951.12
  4. Step 4: Simplify right side
    305,895.88x = 54,579,986,294.08
  5. Step 5: Solve for x
    x = 54,579,986,294.08/305,895.88
  6. Step 6: Final answer
    x = 178,426.68

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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.