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Finding the Fourth Proportional to 1,174.51, 1,762.04 and 352.83

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Solution

The fourth proportional to 1,174.51, 1,762.04 and 352.83 is: 529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.51 : 1,762.04 = 352.83 : x
  2. Step 2: Convert to fraction form
    1,174.51/1,762.04 = 352.83/x
  3. Step 3: Cross multiply
    1,174.51x = 1,762.04 × 352.83
  4. Step 4: Simplify right side
    1,174.51x = 621,700.57
  5. Step 5: Solve for x
    x = 621,700.57/1,174.51
  6. Step 6: Final answer
    x = 529.33

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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.