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Finding the Fourth Proportional to 385,070.40, 577,216.80 and 174,859.20

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Solution

The fourth proportional to 385,070.40, 577,216.80 and 174,859.20 is: 262,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,070.40 : 577,216.80 = 174,859.20 : x
  2. Step 2: Convert to fraction form
    385,070.40/577,216.80 = 174,859.20/x
  3. Step 3: Cross multiply
    385,070.40x = 577,216.80 × 174,859.20
  4. Step 4: Simplify right side
    385,070.40x = 100,931,667,874.56
  5. Step 5: Solve for x
    x = 100,931,667,874.56/385,070.40
  6. Step 6: Final answer
    x = 262,112.25

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