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Finding the Fourth Proportional to 622,005.80, 933,008.70 and 266,959.40

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Solution

The fourth proportional to 622,005.80, 933,008.70 and 266,959.40 is: 400,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,005.80 : 933,008.70 = 266,959.40 : x
  2. Step 2: Convert to fraction form
    622,005.80/933,008.70 = 266,959.40/x
  3. Step 3: Cross multiply
    622,005.80x = 933,008.70 × 266,959.40
  4. Step 4: Simplify right side
    622,005.80x = 249,075,442,746.78
  5. Step 5: Solve for x
    x = 249,075,442,746.78/622,005.80
  6. Step 6: Final answer
    x = 400,439.10

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