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Finding the Fourth Proportional to 1,174.84, 1,762.60 and 472.27

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Solution

The fourth proportional to 1,174.84, 1,762.60 and 472.27 is: 708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.84 : 1,762.60 = 472.27 : x
  2. Step 2: Convert to fraction form
    1,174.84/1,762.60 = 472.27/x
  3. Step 3: Cross multiply
    1,174.84x = 1,762.60 × 472.27
  4. Step 4: Simplify right side
    1,174.84x = 832,421.71
  5. Step 5: Solve for x
    x = 832,421.71/1,174.84
  6. Step 6: Final answer
    x = 708.54

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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.