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Finding the Fourth Proportional to 301,586.73, 451,690.89 and 143,925.90

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Solution

The fourth proportional to 301,586.73, 451,690.89 and 143,925.90 is: 215,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,586.73 : 451,690.89 = 143,925.90 : x
  2. Step 2: Convert to fraction form
    301,586.73/451,690.89 = 143,925.90/x
  3. Step 3: Cross multiply
    301,586.73x = 451,690.89 × 143,925.90
  4. Step 4: Simplify right side
    301,586.73x = 65,010,017,865.05
  5. Step 5: Solve for x
    x = 65,010,017,865.05/301,586.73
  6. Step 6: Final answer
    x = 215,559.94

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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.