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Finding the Fourth Proportional to 383,951.97, 529,607.03 and 233,048.97

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Solution

The fourth proportional to 383,951.97, 529,607.03 and 233,048.97 is: 321,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,951.97 : 529,607.03 = 233,048.97 : x
  2. Step 2: Convert to fraction form
    383,951.97/529,607.03 = 233,048.97/x
  3. Step 3: Cross multiply
    383,951.97x = 529,607.03 × 233,048.97
  4. Step 4: Simplify right side
    383,951.97x = 123,424,371,681.01
  5. Step 5: Solve for x
    x = 123,424,371,681.01/383,951.97
  6. Step 6: Final answer
    x = 321,457.84

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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.