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Finding the Fourth Proportional to 604,838.20, 907,257.30 and 205,929.40

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Solution

The fourth proportional to 604,838.20, 907,257.30 and 205,929.40 is: 308,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,838.20 : 907,257.30 = 205,929.40 : x
  2. Step 2: Convert to fraction form
    604,838.20/907,257.30 = 205,929.40/x
  3. Step 3: Cross multiply
    604,838.20x = 907,257.30 × 205,929.40
  4. Step 4: Simplify right side
    604,838.20x = 186,830,951,434.62
  5. Step 5: Solve for x
    x = 186,830,951,434.62/604,838.20
  6. Step 6: Final answer
    x = 308,894.10

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