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Finding the Fourth Proportional to 1,573.55, 2,360.34 and 477.92

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Solution

The fourth proportional to 1,573.55, 2,360.34 and 477.92 is: 716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.55 : 2,360.34 = 477.92 : x
  2. Step 2: Convert to fraction form
    1,573.55/2,360.34 = 477.92/x
  3. Step 3: Cross multiply
    1,573.55x = 2,360.34 × 477.92
  4. Step 4: Simplify right side
    1,573.55x = 1,128,051.30
  5. Step 5: Solve for x
    x = 1,128,051.30/1,573.55
  6. Step 6: Final answer
    x = 716.88

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