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Finding the Fourth Proportional to 534,646.40, 801,969.60 and 219,329.60

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Solution

The fourth proportional to 534,646.40, 801,969.60 and 219,329.60 is: 328,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,646.40 : 801,969.60 = 219,329.60 : x
  2. Step 2: Convert to fraction form
    534,646.40/801,969.60 = 219,329.60/x
  3. Step 3: Cross multiply
    534,646.40x = 801,969.60 × 219,329.60
  4. Step 4: Simplify right side
    534,646.40x = 175,895,671,580.16
  5. Step 5: Solve for x
    x = 175,895,671,580.16/534,646.40
  6. Step 6: Final answer
    x = 328,994.40

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