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Finding the Fourth Proportional to 736.82, 1,017.14 and 474.96

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Solution

The fourth proportional to 736.82, 1,017.14 and 474.96 is: 655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.82 : 1,017.14 = 474.96 : x
  2. Step 2: Convert to fraction form
    736.82/1,017.14 = 474.96/x
  3. Step 3: Cross multiply
    736.82x = 1,017.14 × 474.96
  4. Step 4: Simplify right side
    736.82x = 483,100.81
  5. Step 5: Solve for x
    x = 483,100.81/736.82
  6. Step 6: Final answer
    x = 655.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.