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Finding the Fourth Proportional to 604,811.80, 907,217.70 and 392,235.40

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Solution

The fourth proportional to 604,811.80, 907,217.70 and 392,235.40 is: 588,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,811.80 : 907,217.70 = 392,235.40 : x
  2. Step 2: Convert to fraction form
    604,811.80/907,217.70 = 392,235.40/x
  3. Step 3: Cross multiply
    604,811.80x = 907,217.70 × 392,235.40
  4. Step 4: Simplify right side
    604,811.80x = 355,842,897,446.58
  5. Step 5: Solve for x
    x = 355,842,897,446.58/604,811.80
  6. Step 6: Final answer
    x = 588,353.10

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