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Finding the Fourth Proportional to 358,879.07, 538,290.34 and 156,470.40

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Solution

The fourth proportional to 358,879.07, 538,290.34 and 156,470.40 is: 234,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,879.07 : 538,290.34 = 156,470.40 : x
  2. Step 2: Convert to fraction form
    358,879.07/538,290.34 = 156,470.40/x
  3. Step 3: Cross multiply
    358,879.07x = 538,290.34 × 156,470.40
  4. Step 4: Simplify right side
    358,879.07x = 84,226,505,304.91
  5. Step 5: Solve for x
    x = 84,226,505,304.91/358,879.07
  6. Step 6: Final answer
    x = 234,693.28

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