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Finding the Fourth Proportional to 329,780.71, 494,690.19 and 93,103.57

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Solution

The fourth proportional to 329,780.71, 494,690.19 and 93,103.57 is: 139,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,780.71 : 494,690.19 = 93,103.57 : x
  2. Step 2: Convert to fraction form
    329,780.71/494,690.19 = 93,103.57/x
  3. Step 3: Cross multiply
    329,780.71x = 494,690.19 × 93,103.57
  4. Step 4: Simplify right side
    329,780.71x = 46,057,422,732.98
  5. Step 5: Solve for x
    x = 46,057,422,732.98/329,780.71
  6. Step 6: Final answer
    x = 139,660.75

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1.5x scale

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.