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Finding the Fourth Proportional to 510,705.40, 766,058.10 and 479,212.60

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Solution

The fourth proportional to 510,705.40, 766,058.10 and 479,212.60 is: 718,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,705.40 : 766,058.10 = 479,212.60 : x
  2. Step 2: Convert to fraction form
    510,705.40/766,058.10 = 479,212.60/x
  3. Step 3: Cross multiply
    510,705.40x = 766,058.10 × 479,212.60
  4. Step 4: Simplify right side
    510,705.40x = 367,104,693,852.06
  5. Step 5: Solve for x
    x = 367,104,693,852.06/510,705.40
  6. Step 6: Final answer
    x = 718,818.90

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