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Finding the Fourth Proportional to 499,121.80, 748,682.70 and 233,401.30

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Solution

The fourth proportional to 499,121.80, 748,682.70 and 233,401.30 is: 350,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,121.80 : 748,682.70 = 233,401.30 : x
  2. Step 2: Convert to fraction form
    499,121.80/748,682.70 = 233,401.30/x
  3. Step 3: Cross multiply
    499,121.80x = 748,682.70 × 233,401.30
  4. Step 4: Simplify right side
    499,121.80x = 174,743,515,467.51
  5. Step 5: Solve for x
    x = 174,743,515,467.51/499,121.80
  6. Step 6: Final answer
    x = 350,101.95

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Similar ratio
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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.