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Finding the Fourth Proportional to 1,174.72, 1,762.06 and 352.97

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Solution

The fourth proportional to 1,174.72, 1,762.06 and 352.97 is: 529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.72 : 1,762.06 = 352.97 : x
  2. Step 2: Convert to fraction form
    1,174.72/1,762.06 = 352.97/x
  3. Step 3: Cross multiply
    1,174.72x = 1,762.06 × 352.97
  4. Step 4: Simplify right side
    1,174.72x = 621,954.32
  5. Step 5: Solve for x
    x = 621,954.32/1,174.72
  6. Step 6: Final answer
    x = 529.45

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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.