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Finding the Fourth Proportional to 330,376.80, 495,584 and 93,700.76

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Solution

The fourth proportional to 330,376.80, 495,584 and 93,700.76 is: 140,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,376.80 : 495,584 = 93,700.76 : x
  2. Step 2: Convert to fraction form
    330,376.80/495,584 = 93,700.76/x
  3. Step 3: Cross multiply
    330,376.80x = 495,584 × 93,700.76
  4. Step 4: Simplify right side
    330,376.80x = 46,436,597,443.84
  5. Step 5: Solve for x
    x = 46,436,597,443.84/330,376.80
  6. Step 6: Final answer
    x = 140,556.47

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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.