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Finding the Fourth Proportional to 508,648.33, 701,936.63 and 282,293.83

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Solution

The fourth proportional to 508,648.33, 701,936.63 and 282,293.83 is: 389,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,648.33 : 701,936.63 = 282,293.83 : x
  2. Step 2: Convert to fraction form
    508,648.33/701,936.63 = 282,293.83/x
  3. Step 3: Cross multiply
    508,648.33x = 701,936.63 × 282,293.83
  4. Step 4: Simplify right side
    508,648.33x = 198,152,379,699.99
  5. Step 5: Solve for x
    x = 198,152,379,699.99/508,648.33
  6. Step 6: Final answer
    x = 389,566.56

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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.