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Finding the Fourth Proportional to 432,830.70, 649,246.05 and 233,540.33

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Solution

The fourth proportional to 432,830.70, 649,246.05 and 233,540.33 is: 350,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,830.70 : 649,246.05 = 233,540.33 : x
  2. Step 2: Convert to fraction form
    432,830.70/649,246.05 = 233,540.33/x
  3. Step 3: Cross multiply
    432,830.70x = 649,246.05 × 233,540.33
  4. Step 4: Simplify right side
    432,830.70x = 151,625,133,521.97
  5. Step 5: Solve for x
    x = 151,625,133,521.97/432,830.70
  6. Step 6: Final answer
    x = 350,310.49

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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.