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Finding the Fourth Proportional to 374.76, 562.05 and 253.08

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Solution

The fourth proportional to 374.76, 562.05 and 253.08 is: 379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.76 : 562.05 = 253.08 : x
  2. Step 2: Convert to fraction form
    374.76/562.05 = 253.08/x
  3. Step 3: Cross multiply
    374.76x = 562.05 × 253.08
  4. Step 4: Simplify right side
    374.76x = 142,243.61
  5. Step 5: Solve for x
    x = 142,243.61/374.76
  6. Step 6: Final answer
    x = 379.56

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