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Finding the Fourth Proportional to 528,038.20, 792,057.30 and 317,913.40

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Solution

The fourth proportional to 528,038.20, 792,057.30 and 317,913.40 is: 476,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,038.20 : 792,057.30 = 317,913.40 : x
  2. Step 2: Convert to fraction form
    528,038.20/792,057.30 = 317,913.40/x
  3. Step 3: Cross multiply
    528,038.20x = 792,057.30 × 317,913.40
  4. Step 4: Simplify right side
    528,038.20x = 251,805,629,237.82
  5. Step 5: Solve for x
    x = 251,805,629,237.82/528,038.20
  6. Step 6: Final answer
    x = 476,870.10

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