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Finding the Fourth Proportional to 530,832.40, 794,304.60 and 390,864.40

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Solution

The fourth proportional to 530,832.40, 794,304.60 and 390,864.40 is: 584,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,832.40 : 794,304.60 = 390,864.40 : x
  2. Step 2: Convert to fraction form
    530,832.40/794,304.60 = 390,864.40/x
  3. Step 3: Cross multiply
    530,832.40x = 794,304.60 × 390,864.40
  4. Step 4: Simplify right side
    530,832.40x = 310,465,390,896.24
  5. Step 5: Solve for x
    x = 310,465,390,896.24/530,832.40
  6. Step 6: Final answer
    x = 584,865.19

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