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Finding the Fourth Proportional to 219,350.79, 329,157.27 and 201,504.87

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Solution

The fourth proportional to 219,350.79, 329,157.27 and 201,504.87 is: 302,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,350.79 : 329,157.27 = 201,504.87 : x
  2. Step 2: Convert to fraction form
    219,350.79/329,157.27 = 201,504.87/x
  3. Step 3: Cross multiply
    219,350.79x = 329,157.27 × 201,504.87
  4. Step 4: Simplify right side
    219,350.79x = 66,326,792,900.90
  5. Step 5: Solve for x
    x = 66,326,792,900.90/219,350.79
  6. Step 6: Final answer
    x = 302,377.73

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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.