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Finding the Fourth Proportional to 875,226.90, 1,310,215.95 and 520,058.10

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Solution

The fourth proportional to 875,226.90, 1,310,215.95 and 520,058.10 is: 778,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,226.90 : 1,310,215.95 = 520,058.10 : x
  2. Step 2: Convert to fraction form
    875,226.90/1,310,215.95 = 520,058.10/x
  3. Step 3: Cross multiply
    875,226.90x = 1,310,215.95 × 520,058.10
  4. Step 4: Simplify right side
    875,226.90x = 681,388,417,546.70
  5. Step 5: Solve for x
    x = 681,388,417,546.70/875,226.90
  6. Step 6: Final answer
    x = 778,527.74

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