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Finding the Fourth Proportional to 383,805.96, 575,424.54 and 183,936

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Solution

The fourth proportional to 383,805.96, 575,424.54 and 183,936 is: 275,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,805.96 : 575,424.54 = 183,936 : x
  2. Step 2: Convert to fraction form
    383,805.96/575,424.54 = 183,936/x
  3. Step 3: Cross multiply
    383,805.96x = 575,424.54 × 183,936
  4. Step 4: Simplify right side
    383,805.96x = 105,841,288,189.44
  5. Step 5: Solve for x
    x = 105,841,288,189.44/383,805.96
  6. Step 6: Final answer
    x = 275,767.70

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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.