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Finding the Fourth Proportional to 383,951.22, 529,605.99 and 233,048.22

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Solution

The fourth proportional to 383,951.22, 529,605.99 and 233,048.22 is: 321,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,951.22 : 529,605.99 = 233,048.22 : x
  2. Step 2: Convert to fraction form
    383,951.22/529,605.99 = 233,048.22/x
  3. Step 3: Cross multiply
    383,951.22x = 529,605.99 × 233,048.22
  4. Step 4: Simplify right side
    383,951.22x = 123,423,733,270.84
  5. Step 5: Solve for x
    x = 123,423,733,270.84/383,951.22
  6. Step 6: Final answer
    x = 321,456.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.