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Finding the Fourth Proportional to 484,547.87, 726,764.57 and 129,589.40

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Solution

The fourth proportional to 484,547.87, 726,764.57 and 129,589.40 is: 194,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,547.87 : 726,764.57 = 129,589.40 : x
  2. Step 2: Convert to fraction form
    484,547.87/726,764.57 = 129,589.40/x
  3. Step 3: Cross multiply
    484,547.87x = 726,764.57 × 129,589.40
  4. Step 4: Simplify right side
    484,547.87x = 94,180,983,919.61
  5. Step 5: Solve for x
    x = 94,180,983,919.61/484,547.87
  6. Step 6: Final answer
    x = 194,368.79

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