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Finding the Fourth Proportional to 586,422.80, 878,467.80 and 544,432.40

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Solution

The fourth proportional to 586,422.80, 878,467.80 and 544,432.40 is: 815,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,422.80 : 878,467.80 = 544,432.40 : x
  2. Step 2: Convert to fraction form
    586,422.80/878,467.80 = 544,432.40/x
  3. Step 3: Cross multiply
    586,422.80x = 878,467.80 × 544,432.40
  4. Step 4: Simplify right side
    586,422.80x = 478,266,332,676.72
  5. Step 5: Solve for x
    x = 478,266,332,676.72/586,422.80
  6. Step 6: Final answer
    x = 815,565.72

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