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Finding the Fourth Proportional to 515,065.90, 772,598.85 and 488,821.90

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Solution

The fourth proportional to 515,065.90, 772,598.85 and 488,821.90 is: 733,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,065.90 : 772,598.85 = 488,821.90 : x
  2. Step 2: Convert to fraction form
    515,065.90/772,598.85 = 488,821.90/x
  3. Step 3: Cross multiply
    515,065.90x = 772,598.85 × 488,821.90
  4. Step 4: Simplify right side
    515,065.90x = 377,663,237,794.82
  5. Step 5: Solve for x
    x = 377,663,237,794.82/515,065.90
  6. Step 6: Final answer
    x = 733,232.85

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