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Finding the Fourth Proportional to 1,207.86, 1,810.56 and 467.27

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Solution

The fourth proportional to 1,207.86, 1,810.56 and 467.27 is: 700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.86 : 1,810.56 = 467.27 : x
  2. Step 2: Convert to fraction form
    1,207.86/1,810.56 = 467.27/x
  3. Step 3: Cross multiply
    1,207.86x = 1,810.56 × 467.27
  4. Step 4: Simplify right side
    1,207.86x = 846,020.37
  5. Step 5: Solve for x
    x = 846,020.37/1,207.86
  6. Step 6: Final answer
    x = 700.43

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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.