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Finding the Fourth Proportional to 474.82, 654.66 and 373.36

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Solution

The fourth proportional to 474.82, 654.66 and 373.36 is: 514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.82 : 654.66 = 373.36 : x
  2. Step 2: Convert to fraction form
    474.82/654.66 = 373.36/x
  3. Step 3: Cross multiply
    474.82x = 654.66 × 373.36
  4. Step 4: Simplify right side
    474.82x = 244,423.86
  5. Step 5: Solve for x
    x = 244,423.86/474.82
  6. Step 6: Final answer
    x = 514.77

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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.