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Finding the Fourth Proportional to 657,042.52, 906,664.36 and 370,633

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Solution

The fourth proportional to 657,042.52, 906,664.36 and 370,633 is: 511,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,042.52 : 906,664.36 = 370,633 : x
  2. Step 2: Convert to fraction form
    657,042.52/906,664.36 = 370,633/x
  3. Step 3: Cross multiply
    657,042.52x = 906,664.36 × 370,633
  4. Step 4: Simplify right side
    657,042.52x = 336,039,731,739.88
  5. Step 5: Solve for x
    x = 336,039,731,739.88/657,042.52
  6. Step 6: Final answer
    x = 511,442.90

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