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Finding the Fourth Proportional to 402,998.91, 556,275.05 and 250,126.58

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Solution

The fourth proportional to 402,998.91, 556,275.05 and 250,126.58 is: 345,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,998.91 : 556,275.05 = 250,126.58 : x
  2. Step 2: Convert to fraction form
    402,998.91/556,275.05 = 250,126.58/x
  3. Step 3: Cross multiply
    402,998.91x = 556,275.05 × 250,126.58
  4. Step 4: Simplify right side
    402,998.91x = 139,139,175,795.83
  5. Step 5: Solve for x
    x = 139,139,175,795.83/402,998.91
  6. Step 6: Final answer
    x = 345,259.43

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