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Finding the Fourth Proportional to 549,781.80, 824,672.70 and 409,813.80

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Solution

The fourth proportional to 549,781.80, 824,672.70 and 409,813.80 is: 614,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,781.80 : 824,672.70 = 409,813.80 : x
  2. Step 2: Convert to fraction form
    549,781.80/824,672.70 = 409,813.80/x
  3. Step 3: Cross multiply
    549,781.80x = 824,672.70 × 409,813.80
  4. Step 4: Simplify right side
    549,781.80x = 337,962,252,943.26
  5. Step 5: Solve for x
    x = 337,962,252,943.26/549,781.80
  6. Step 6: Final answer
    x = 614,720.70

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