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Finding the Fourth Proportional to 859,061.76, 1,288,492.56 and 228,024.60

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Solution

The fourth proportional to 859,061.76, 1,288,492.56 and 228,024.60 is: 342,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,061.76 : 1,288,492.56 = 228,024.60 : x
  2. Step 2: Convert to fraction form
    859,061.76/1,288,492.56 = 228,024.60/x
  3. Step 3: Cross multiply
    859,061.76x = 1,288,492.56 × 228,024.60
  4. Step 4: Simplify right side
    859,061.76x = 293,808,000,596.98
  5. Step 5: Solve for x
    x = 293,808,000,596.98/859,061.76
  6. Step 6: Final answer
    x = 342,010.34

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