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Finding the Fourth Proportional to 658,810.68, 988,205.63 and 209,525.06

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Solution

The fourth proportional to 658,810.68, 988,205.63 and 209,525.06 is: 314,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,810.68 : 988,205.63 = 209,525.06 : x
  2. Step 2: Convert to fraction form
    658,810.68/988,205.63 = 209,525.06/x
  3. Step 3: Cross multiply
    658,810.68x = 988,205.63 × 209,525.06
  4. Step 4: Simplify right side
    658,810.68x = 207,053,837,929.43
  5. Step 5: Solve for x
    x = 207,053,837,929.43/658,810.68
  6. Step 6: Final answer
    x = 314,284.28

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