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Finding the Fourth Proportional to 473.48, 653.42 and 266.52

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Solution

The fourth proportional to 473.48, 653.42 and 266.52 is: 367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.48 : 653.42 = 266.52 : x
  2. Step 2: Convert to fraction form
    473.48/653.42 = 266.52/x
  3. Step 3: Cross multiply
    473.48x = 653.42 × 266.52
  4. Step 4: Simplify right side
    473.48x = 174,149.50
  5. Step 5: Solve for x
    x = 174,149.50/473.48
  6. Step 6: Final answer
    x = 367.81

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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.