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Finding the Fourth Proportional to 1,174.67, 1,762.07 and 352.92

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Solution

The fourth proportional to 1,174.67, 1,762.07 and 352.92 is: 529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.67 : 1,762.07 = 352.92 : x
  2. Step 2: Convert to fraction form
    1,174.67/1,762.07 = 352.92/x
  3. Step 3: Cross multiply
    1,174.67x = 1,762.07 × 352.92
  4. Step 4: Simplify right side
    1,174.67x = 621,867.98
  5. Step 5: Solve for x
    x = 621,867.98/1,174.67
  6. Step 6: Final answer
    x = 529.40

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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.