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Finding the Fourth Proportional to 1,341, 2,011.86 and 475.29

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Solution

The fourth proportional to 1,341, 2,011.86 and 475.29 is: 713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341 : 2,011.86 = 475.29 : x
  2. Step 2: Convert to fraction form
    1,341/2,011.86 = 475.29/x
  3. Step 3: Cross multiply
    1,341x = 2,011.86 × 475.29
  4. Step 4: Simplify right side
    1,341x = 956,216.94
  5. Step 5: Solve for x
    x = 956,216.94/1,341
  6. Step 6: Final answer
    x = 713.06

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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.