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Finding the Fourth Proportional to 476,015.21, 713,672.90 and 226,872.17

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Solution

The fourth proportional to 476,015.21, 713,672.90 and 226,872.17 is: 340,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,015.21 : 713,672.90 = 226,872.17 : x
  2. Step 2: Convert to fraction form
    476,015.21/713,672.90 = 226,872.17/x
  3. Step 3: Cross multiply
    476,015.21x = 713,672.90 × 226,872.17
  4. Step 4: Simplify right side
    476,015.21x = 161,912,518,358.83
  5. Step 5: Solve for x
    x = 161,912,518,358.83/476,015.21
  6. Step 6: Final answer
    x = 340,141.48

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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.