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Finding the Fourth Proportional to 330,592.52, 495,598.09 and 131,053.07

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Solution

The fourth proportional to 330,592.52, 495,598.09 and 131,053.07 is: 196,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,592.52 : 495,598.09 = 131,053.07 : x
  2. Step 2: Convert to fraction form
    330,592.52/495,598.09 = 131,053.07/x
  3. Step 3: Cross multiply
    330,592.52x = 495,598.09 × 131,053.07
  4. Step 4: Simplify right side
    330,592.52x = 64,949,651,180.64
  5. Step 5: Solve for x
    x = 64,949,651,180.64/330,592.52
  6. Step 6: Final answer
    x = 196,464.37

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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.