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Finding the Fourth Proportional to 704.77, 1,057.22 and 184.77

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Solution

The fourth proportional to 704.77, 1,057.22 and 184.77 is: 277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.77 : 1,057.22 = 184.77 : x
  2. Step 2: Convert to fraction form
    704.77/1,057.22 = 184.77/x
  3. Step 3: Cross multiply
    704.77x = 1,057.22 × 184.77
  4. Step 4: Simplify right side
    704.77x = 195,341.62
  5. Step 5: Solve for x
    x = 195,341.62/704.77
  6. Step 6: Final answer
    x = 277.17

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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.