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Finding the Fourth Proportional to 330,562.50, 495,552.93 and 131,022.94

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Solution

The fourth proportional to 330,562.50, 495,552.93 and 131,022.94 is: 196,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,562.50 : 495,552.93 = 131,022.94 : x
  2. Step 2: Convert to fraction form
    330,562.50/495,552.93 = 131,022.94/x
  3. Step 3: Cross multiply
    330,562.50x = 495,552.93 × 131,022.94
  4. Step 4: Simplify right side
    330,562.50x = 64,928,801,814.21
  5. Step 5: Solve for x
    x = 64,928,801,814.21/330,562.50
  6. Step 6: Final answer
    x = 196,419.14

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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.