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Finding the Fourth Proportional to 581,643.60, 872,465.40 and 489,022.80

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Solution

The fourth proportional to 581,643.60, 872,465.40 and 489,022.80 is: 733,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,643.60 : 872,465.40 = 489,022.80 : x
  2. Step 2: Convert to fraction form
    581,643.60/872,465.40 = 489,022.80/x
  3. Step 3: Cross multiply
    581,643.60x = 872,465.40 × 489,022.80
  4. Step 4: Simplify right side
    581,643.60x = 426,655,472,811.12
  5. Step 5: Solve for x
    x = 426,655,472,811.12/581,643.60
  6. Step 6: Final answer
    x = 733,534.20

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