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Finding the Fourth Proportional to 220,325, 330,486.69 and 62,553.47

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Solution

The fourth proportional to 220,325, 330,486.69 and 62,553.47 is: 93,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,325 : 330,486.69 = 62,553.47 : x
  2. Step 2: Convert to fraction form
    220,325/330,486.69 = 62,553.47/x
  3. Step 3: Cross multiply
    220,325x = 330,486.69 × 62,553.47
  4. Step 4: Simplify right side
    220,325x = 20,673,089,248.31
  5. Step 5: Solve for x
    x = 20,673,089,248.31/220,325
  6. Step 6: Final answer
    x = 93,829.98

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1.5x scale

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.