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Finding the Fourth Proportional to 329,862.90, 494,729.55 and 108,246.90

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Solution

The fourth proportional to 329,862.90, 494,729.55 and 108,246.90 is: 162,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,862.90 : 494,729.55 = 108,246.90 : x
  2. Step 2: Convert to fraction form
    329,862.90/494,729.55 = 108,246.90/x
  3. Step 3: Cross multiply
    329,862.90x = 494,729.55 × 108,246.90
  4. Step 4: Simplify right side
    329,862.90x = 53,552,940,125.90
  5. Step 5: Solve for x
    x = 53,552,940,125.90/329,862.90
  6. Step 6: Final answer
    x = 162,349.09

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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.