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Finding the Fourth Proportional to 547,445.52, 755,420.85 and 305,722.91

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Solution

The fourth proportional to 547,445.52, 755,420.85 and 305,722.91 is: 421,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,445.52 : 755,420.85 = 305,722.91 : x
  2. Step 2: Convert to fraction form
    547,445.52/755,420.85 = 305,722.91/x
  3. Step 3: Cross multiply
    547,445.52x = 755,420.85 × 305,722.91
  4. Step 4: Simplify right side
    547,445.52x = 230,949,460,536.67
  5. Step 5: Solve for x
    x = 230,949,460,536.67/547,445.52
  6. Step 6: Final answer
    x = 421,867.48

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