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Finding the Fourth Proportional to 669,147.66, 923,398.74 and 363,217.46

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Solution

The fourth proportional to 669,147.66, 923,398.74 and 363,217.46 is: 501,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,147.66 : 923,398.74 = 363,217.46 : x
  2. Step 2: Convert to fraction form
    669,147.66/923,398.74 = 363,217.46/x
  3. Step 3: Cross multiply
    669,147.66x = 923,398.74 × 363,217.46
  4. Step 4: Simplify right side
    669,147.66x = 335,394,540,293.01
  5. Step 5: Solve for x
    x = 335,394,540,293.01/669,147.66
  6. Step 6: Final answer
    x = 501,226.50

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1.5x scale

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.