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Finding the Fourth Proportional to 402,447.07, 555,145.69 and 251,281.63

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Solution

The fourth proportional to 402,447.07, 555,145.69 and 251,281.63 is: 346,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,447.07 : 555,145.69 = 251,281.63 : x
  2. Step 2: Convert to fraction form
    402,447.07/555,145.69 = 251,281.63/x
  3. Step 3: Cross multiply
    402,447.07x = 555,145.69 × 251,281.63
  4. Step 4: Simplify right side
    402,447.07x = 139,497,913,870.68
  5. Step 5: Solve for x
    x = 139,497,913,870.68/402,447.07
  6. Step 6: Final answer
    x = 346,624.25

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