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Finding the Fourth Proportional to 473.04, 652.72 and 276.52

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Solution

The fourth proportional to 473.04, 652.72 and 276.52 is: 381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.04 : 652.72 = 276.52 : x
  2. Step 2: Convert to fraction form
    473.04/652.72 = 276.52/x
  3. Step 3: Cross multiply
    473.04x = 652.72 × 276.52
  4. Step 4: Simplify right side
    473.04x = 180,490.13
  5. Step 5: Solve for x
    x = 180,490.13/473.04
  6. Step 6: Final answer
    x = 381.55

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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.