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Finding the Fourth Proportional to 376,434.62, 561,944.18 and 322,546.32

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Solution

The fourth proportional to 376,434.62, 561,944.18 and 322,546.32 is: 481,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,434.62 : 561,944.18 = 322,546.32 : x
  2. Step 2: Convert to fraction form
    376,434.62/561,944.18 = 322,546.32/x
  3. Step 3: Cross multiply
    376,434.62x = 561,944.18 × 322,546.32
  4. Step 4: Simplify right side
    376,434.62x = 181,253,025,691.69
  5. Step 5: Solve for x
    x = 181,253,025,691.69/376,434.62
  6. Step 6: Final answer
    x = 481,499.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.