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Finding the Fourth Proportional to 669,327.92, 923,672.45 and 367,521.92

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Solution

The fourth proportional to 669,327.92, 923,672.45 and 367,521.92 is: 507,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,327.92 : 923,672.45 = 367,521.92 : x
  2. Step 2: Convert to fraction form
    669,327.92/923,672.45 = 367,521.92/x
  3. Step 3: Cross multiply
    669,327.92x = 923,672.45 × 367,521.92
  4. Step 4: Simplify right side
    669,327.92x = 339,469,870,437.49
  5. Step 5: Solve for x
    x = 339,469,870,437.49/669,327.92
  6. Step 6: Final answer
    x = 507,180.20

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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.