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Finding the Fourth Proportional to 539,317.20, 808,975.80 and 506,074.80

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Solution

The fourth proportional to 539,317.20, 808,975.80 and 506,074.80 is: 759,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,317.20 : 808,975.80 = 506,074.80 : x
  2. Step 2: Convert to fraction form
    539,317.20/808,975.80 = 506,074.80/x
  3. Step 3: Cross multiply
    539,317.20x = 808,975.80 × 506,074.80
  4. Step 4: Simplify right side
    539,317.20x = 409,402,266,189.84
  5. Step 5: Solve for x
    x = 409,402,266,189.84/539,317.20
  6. Step 6: Final answer
    x = 759,112.20

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