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Finding the Fourth Proportional to 554,363.96, 765,018.54 and 312,648.62

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Solution

The fourth proportional to 554,363.96, 765,018.54 and 312,648.62 is: 431,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,363.96 : 765,018.54 = 312,648.62 : x
  2. Step 2: Convert to fraction form
    554,363.96/765,018.54 = 312,648.62/x
  3. Step 3: Cross multiply
    554,363.96x = 765,018.54 × 312,648.62
  4. Step 4: Simplify right side
    554,363.96x = 239,181,986,980.32
  5. Step 5: Solve for x
    x = 239,181,986,980.32/554,363.96
  6. Step 6: Final answer
    x = 431,452.99

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