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Finding the Fourth Proportional to 326,532.75, 489,799.13 and 116,171.30

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Solution

The fourth proportional to 326,532.75, 489,799.13 and 116,171.30 is: 174,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,532.75 : 489,799.13 = 116,171.30 : x
  2. Step 2: Convert to fraction form
    326,532.75/489,799.13 = 116,171.30/x
  3. Step 3: Cross multiply
    326,532.75x = 489,799.13 × 116,171.30
  4. Step 4: Simplify right side
    326,532.75x = 56,900,598,641.12
  5. Step 5: Solve for x
    x = 56,900,598,641.12/326,532.75
  6. Step 6: Final answer
    x = 174,256.94

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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.