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Finding the Fourth Proportional to 473.52, 653.36 and 277.02

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Solution

The fourth proportional to 473.52, 653.36 and 277.02 is: 382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.52 : 653.36 = 277.02 : x
  2. Step 2: Convert to fraction form
    473.52/653.36 = 277.02/x
  3. Step 3: Cross multiply
    473.52x = 653.36 × 277.02
  4. Step 4: Simplify right side
    473.52x = 180,993.79
  5. Step 5: Solve for x
    x = 180,993.79/473.52
  6. Step 6: Final answer
    x = 382.23

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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.