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Finding the Fourth Proportional to 615,886.80, 923,830.20 and 587,018.40

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Solution

The fourth proportional to 615,886.80, 923,830.20 and 587,018.40 is: 880,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,886.80 : 923,830.20 = 587,018.40 : x
  2. Step 2: Convert to fraction form
    615,886.80/923,830.20 = 587,018.40/x
  3. Step 3: Cross multiply
    615,886.80x = 923,830.20 × 587,018.40
  4. Step 4: Simplify right side
    615,886.80x = 542,305,325,875.68
  5. Step 5: Solve for x
    x = 542,305,325,875.68/615,886.80
  6. Step 6: Final answer
    x = 880,527.60

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