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Finding the Fourth Proportional to 329,850.90, 494,448.30 and 152,047.80

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Solution

The fourth proportional to 329,850.90, 494,448.30 and 152,047.80 is: 227,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,850.90 : 494,448.30 = 152,047.80 : x
  2. Step 2: Convert to fraction form
    329,850.90/494,448.30 = 152,047.80/x
  3. Step 3: Cross multiply
    329,850.90x = 494,448.30 × 152,047.80
  4. Step 4: Simplify right side
    329,850.90x = 75,179,776,228.74
  5. Step 5: Solve for x
    x = 75,179,776,228.74/329,850.90
  6. Step 6: Final answer
    x = 227,920.48

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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.