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Finding the Fourth Proportional to 305,272.40, 457,901.40 and 83,656.40

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Solution

The fourth proportional to 305,272.40, 457,901.40 and 83,656.40 is: 125,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,272.40 : 457,901.40 = 83,656.40 : x
  2. Step 2: Convert to fraction form
    305,272.40/457,901.40 = 83,656.40/x
  3. Step 3: Cross multiply
    305,272.40x = 457,901.40 × 83,656.40
  4. Step 4: Simplify right side
    305,272.40x = 38,306,382,678.96
  5. Step 5: Solve for x
    x = 38,306,382,678.96/305,272.40
  6. Step 6: Final answer
    x = 125,482.63

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