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Finding the Fourth Proportional to 255,298.33, 382,918.29 and 68,324.41

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Solution

The fourth proportional to 255,298.33, 382,918.29 and 68,324.41 is: 102,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,298.33 : 382,918.29 = 68,324.41 : x
  2. Step 2: Convert to fraction form
    255,298.33/382,918.29 = 68,324.41/x
  3. Step 3: Cross multiply
    255,298.33x = 382,918.29 × 68,324.41
  4. Step 4: Simplify right side
    255,298.33x = 26,162,666,242.46
  5. Step 5: Solve for x
    x = 26,162,666,242.46/255,298.33
  6. Step 6: Final answer
    x = 102,478.80

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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.