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Finding the Fourth Proportional to 710,309.98, 1,065,097.05 and 260,914.78

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Solution

The fourth proportional to 710,309.98, 1,065,097.05 and 260,914.78 is: 391,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,309.98 : 1,065,097.05 = 260,914.78 : x
  2. Step 2: Convert to fraction form
    710,309.98/1,065,097.05 = 260,914.78/x
  3. Step 3: Cross multiply
    710,309.98x = 1,065,097.05 × 260,914.78
  4. Step 4: Simplify right side
    710,309.98x = 277,899,562,479.40
  5. Step 5: Solve for x
    x = 277,899,562,479.40/710,309.98
  6. Step 6: Final answer
    x = 391,237.02

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