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Finding the Fourth Proportional to 5,486,978.60, 8,216,471.10 and 4,367,234.60

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Solution

The fourth proportional to 5,486,978.60, 8,216,471.10 and 4,367,234.60 is: 6,539,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486,978.60 : 8,216,471.10 = 4,367,234.60 : x
  2. Step 2: Convert to fraction form
    5,486,978.60/8,216,471.10 = 4,367,234.60/x
  3. Step 3: Cross multiply
    5,486,978.60x = 8,216,471.10 × 4,367,234.60
  4. Step 4: Simplify right side
    5,486,978.60x = 35,883,256,877,820.05
  5. Step 5: Solve for x
    x = 35,883,256,877,820.05/5,486,978.60
  6. Step 6: Final answer
    x = 6,539,711.47

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