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Finding the Fourth Proportional to 443,385.30, 665,077.95 and 265,800.90

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Solution

The fourth proportional to 443,385.30, 665,077.95 and 265,800.90 is: 398,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,385.30 : 665,077.95 = 265,800.90 : x
  2. Step 2: Convert to fraction form
    443,385.30/665,077.95 = 265,800.90/x
  3. Step 3: Cross multiply
    443,385.30x = 665,077.95 × 265,800.90
  4. Step 4: Simplify right side
    443,385.30x = 176,778,317,680.16
  5. Step 5: Solve for x
    x = 176,778,317,680.16/443,385.30
  6. Step 6: Final answer
    x = 398,701.35

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