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Finding the Fourth Proportional to 475,339.88, 655,969.04 and 260,488.40

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Solution

The fourth proportional to 475,339.88, 655,969.04 and 260,488.40 is: 359,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,339.88 : 655,969.04 = 260,488.40 : x
  2. Step 2: Convert to fraction form
    475,339.88/655,969.04 = 260,488.40/x
  3. Step 3: Cross multiply
    475,339.88x = 655,969.04 × 260,488.40
  4. Step 4: Simplify right side
    475,339.88x = 170,872,321,096.85
  5. Step 5: Solve for x
    x = 170,872,321,096.85/475,339.88
  6. Step 6: Final answer
    x = 359,473.99

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