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Finding the Fourth Proportional to 288,876.01, 398,749.09 and 198,531.04

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Solution

The fourth proportional to 288,876.01, 398,749.09 and 198,531.04 is: 274,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,876.01 : 398,749.09 = 198,531.04 : x
  2. Step 2: Convert to fraction form
    288,876.01/398,749.09 = 198,531.04/x
  3. Step 3: Cross multiply
    288,876.01x = 398,749.09 × 198,531.04
  4. Step 4: Simplify right side
    288,876.01x = 79,164,069,547.23
  5. Step 5: Solve for x
    x = 79,164,069,547.23/288,876.01
  6. Step 6: Final answer
    x = 274,041.69

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