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Finding the Fourth Proportional to 330,603.33, 495,614.19 and 131,063.88

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Solution

The fourth proportional to 330,603.33, 495,614.19 and 131,063.88 is: 196,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,603.33 : 495,614.19 = 131,063.88 : x
  2. Step 2: Convert to fraction form
    330,603.33/495,614.19 = 131,063.88/x
  3. Step 3: Cross multiply
    330,603.33x = 495,614.19 × 131,063.88
  4. Step 4: Simplify right side
    330,603.33x = 64,957,118,724.46
  5. Step 5: Solve for x
    x = 64,957,118,724.46/330,603.33
  6. Step 6: Final answer
    x = 196,480.53

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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.