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Finding the Fourth Proportional to 300,102.17, 449,653.48 and 211,168.82

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Solution

The fourth proportional to 300,102.17, 449,653.48 and 211,168.82 is: 316,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,102.17 : 449,653.48 = 211,168.82 : x
  2. Step 2: Convert to fraction form
    300,102.17/449,653.48 = 211,168.82/x
  3. Step 3: Cross multiply
    300,102.17x = 449,653.48 × 211,168.82
  4. Step 4: Simplify right side
    300,102.17x = 94,952,795,376.71
  5. Step 5: Solve for x
    x = 94,952,795,376.71/300,102.17
  6. Step 6: Final answer
    x = 316,401.57

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1.5x scale

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.