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Finding the Fourth Proportional to 566.06, 848.28 and 257.15

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Solution

The fourth proportional to 566.06, 848.28 and 257.15 is: 385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.06 : 848.28 = 257.15 : x
  2. Step 2: Convert to fraction form
    566.06/848.28 = 257.15/x
  3. Step 3: Cross multiply
    566.06x = 848.28 × 257.15
  4. Step 4: Simplify right side
    566.06x = 218,130.96
  5. Step 5: Solve for x
    x = 218,130.96/566.06
  6. Step 6: Final answer
    x = 385.35

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