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Finding the Fourth Proportional to 704, 1,055.82 and 293.51

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Solution

The fourth proportional to 704, 1,055.82 and 293.51 is: 440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    704 : 1,055.82 = 293.51 : x
  2. Step 2: Convert to fraction form
    704/1,055.82 = 293.51/x
  3. Step 3: Cross multiply
    704x = 1,055.82 × 293.51
  4. Step 4: Simplify right side
    704x = 309,893.73
  5. Step 5: Solve for x
    x = 309,893.73/704
  6. Step 6: Final answer
    x = 440.19

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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.