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Finding the Fourth Proportional to 330,348.08, 495,519.78 and 93,690.56

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Solution

The fourth proportional to 330,348.08, 495,519.78 and 93,690.56 is: 140,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,348.08 : 495,519.78 = 93,690.56 : x
  2. Step 2: Convert to fraction form
    330,348.08/495,519.78 = 93,690.56/x
  3. Step 3: Cross multiply
    330,348.08x = 495,519.78 × 93,690.56
  4. Step 4: Simplify right side
    330,348.08x = 46,425,525,679.28
  5. Step 5: Solve for x
    x = 46,425,525,679.28/330,348.08
  6. Step 6: Final answer
    x = 140,535.18

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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.