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Finding the Fourth Proportional to 372.65, 515.16 and 341.52

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Solution

The fourth proportional to 372.65, 515.16 and 341.52 is: 472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.65 : 515.16 = 341.52 : x
  2. Step 2: Convert to fraction form
    372.65/515.16 = 341.52/x
  3. Step 3: Cross multiply
    372.65x = 515.16 × 341.52
  4. Step 4: Simplify right side
    372.65x = 175,935.51
  5. Step 5: Solve for x
    x = 175,935.51/372.65
  6. Step 6: Final answer
    x = 472.12

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