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Finding the Fourth Proportional to 288,565.20, 432,847.80 and 189,032.40

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Solution

The fourth proportional to 288,565.20, 432,847.80 and 189,032.40 is: 283,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,565.20 : 432,847.80 = 189,032.40 : x
  2. Step 2: Convert to fraction form
    288,565.20/432,847.80 = 189,032.40/x
  3. Step 3: Cross multiply
    288,565.20x = 432,847.80 × 189,032.40
  4. Step 4: Simplify right side
    288,565.20x = 81,822,258,468.72
  5. Step 5: Solve for x
    x = 81,822,258,468.72/288,565.20
  6. Step 6: Final answer
    x = 283,548.60

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