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Finding the Fourth Proportional to 296,412.87, 444,665.79 and 96,687.15

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Solution

The fourth proportional to 296,412.87, 444,665.79 and 96,687.15 is: 145,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,412.87 : 444,665.79 = 96,687.15 : x
  2. Step 2: Convert to fraction form
    296,412.87/444,665.79 = 96,687.15/x
  3. Step 3: Cross multiply
    296,412.87x = 444,665.79 × 96,687.15
  4. Step 4: Simplify right side
    296,412.87x = 42,993,467,937.60
  5. Step 5: Solve for x
    x = 42,993,467,937.60/296,412.87
  6. Step 6: Final answer
    x = 145,045.89

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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.