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Finding the Fourth Proportional to 509,388.97, 702,925.90 and 283,026.73

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Solution

The fourth proportional to 509,388.97, 702,925.90 and 283,026.73 is: 390,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,388.97 : 702,925.90 = 283,026.73 : x
  2. Step 2: Convert to fraction form
    509,388.97/702,925.90 = 283,026.73/x
  3. Step 3: Cross multiply
    509,388.97x = 702,925.90 × 283,026.73
  4. Step 4: Simplify right side
    509,388.97x = 198,946,818,909.31
  5. Step 5: Solve for x
    x = 198,946,818,909.31/509,388.97
  6. Step 6: Final answer
    x = 390,559.73

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