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Finding the Fourth Proportional to 468,788.45, 703,232.08 and 153,244.85

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Solution

The fourth proportional to 468,788.45, 703,232.08 and 153,244.85 is: 229,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,788.45 : 703,232.08 = 153,244.85 : x
  2. Step 2: Convert to fraction form
    468,788.45/703,232.08 = 153,244.85/x
  3. Step 3: Cross multiply
    468,788.45x = 703,232.08 × 153,244.85
  4. Step 4: Simplify right side
    468,788.45x = 107,766,690,715.52
  5. Step 5: Solve for x
    x = 107,766,690,715.52/468,788.45
  6. Step 6: Final answer
    x = 229,883.42

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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.