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Finding the Fourth Proportional to 622,870.60, 933,722.70 and 487,859.80

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Solution

The fourth proportional to 622,870.60, 933,722.70 and 487,859.80 is: 731,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,870.60 : 933,722.70 = 487,859.80 : x
  2. Step 2: Convert to fraction form
    622,870.60/933,722.70 = 487,859.80/x
  3. Step 3: Cross multiply
    622,870.60x = 933,722.70 × 487,859.80
  4. Step 4: Simplify right side
    622,870.60x = 455,525,769,677.46
  5. Step 5: Solve for x
    x = 455,525,769,677.46/622,870.60
  6. Step 6: Final answer
    x = 731,332.91

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