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Finding the Fourth Proportional to 619.84, 929.56 and 295

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Solution

The fourth proportional to 619.84, 929.56 and 295 is: 442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.84 : 929.56 = 295 : x
  2. Step 2: Convert to fraction form
    619.84/929.56 = 295/x
  3. Step 3: Cross multiply
    619.84x = 929.56 × 295
  4. Step 4: Simplify right side
    619.84x = 274,220.20
  5. Step 5: Solve for x
    x = 274,220.20/619.84
  6. Step 6: Final answer
    x = 442.40

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