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Finding the Fourth Proportional to 329,799, 494,673.63 and 105,150.36

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Solution

The fourth proportional to 329,799, 494,673.63 and 105,150.36 is: 157,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,799 : 494,673.63 = 105,150.36 : x
  2. Step 2: Convert to fraction form
    329,799/494,673.63 = 105,150.36/x
  3. Step 3: Cross multiply
    329,799x = 494,673.63 × 105,150.36
  4. Step 4: Simplify right side
    329,799x = 52,015,110,277.01
  5. Step 5: Solve for x
    x = 52,015,110,277.01/329,799
  6. Step 6: Final answer
    x = 157,717.61

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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.