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Finding the Fourth Proportional to 669,327.42, 923,671.76 and 367,521.42

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Solution

The fourth proportional to 669,327.42, 923,671.76 and 367,521.42 is: 507,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,327.42 : 923,671.76 = 367,521.42 : x
  2. Step 2: Convert to fraction form
    669,327.42/923,671.76 = 367,521.42/x
  3. Step 3: Cross multiply
    669,327.42x = 923,671.76 × 367,521.42
  4. Step 4: Simplify right side
    669,327.42x = 339,469,155,011.49
  5. Step 5: Solve for x
    x = 339,469,155,011.49/669,327.42
  6. Step 6: Final answer
    x = 507,179.51

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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.