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Finding the Fourth Proportional to 376,515.20, 563,361.16 and 224,154.98

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Solution

The fourth proportional to 376,515.20, 563,361.16 and 224,154.98 is: 335,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,515.20 : 563,361.16 = 224,154.98 : x
  2. Step 2: Convert to fraction form
    376,515.20/563,361.16 = 224,154.98/x
  3. Step 3: Cross multiply
    376,515.20x = 563,361.16 × 224,154.98
  4. Step 4: Simplify right side
    376,515.20x = 126,280,209,552.58
  5. Step 5: Solve for x
    x = 126,280,209,552.58/376,515.20
  6. Step 6: Final answer
    x = 335,392.06

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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.