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Finding the Fourth Proportional to 460,486.55, 635,484.06 and 288,388.42

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Solution

The fourth proportional to 460,486.55, 635,484.06 and 288,388.42 is: 397,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,486.55 : 635,484.06 = 288,388.42 : x
  2. Step 2: Convert to fraction form
    460,486.55/635,484.06 = 288,388.42/x
  3. Step 3: Cross multiply
    460,486.55x = 635,484.06 × 288,388.42
  4. Step 4: Simplify right side
    460,486.55x = 183,266,242,409.88
  5. Step 5: Solve for x
    x = 183,266,242,409.88/460,486.55
  6. Step 6: Final answer
    x = 397,983.92

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