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Finding the Fourth Proportional to 456,411.90, 684,472.05 and 190,108.20

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Solution

The fourth proportional to 456,411.90, 684,472.05 and 190,108.20 is: 285,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,411.90 : 684,472.05 = 190,108.20 : x
  2. Step 2: Convert to fraction form
    456,411.90/684,472.05 = 190,108.20/x
  3. Step 3: Cross multiply
    456,411.90x = 684,472.05 × 190,108.20
  4. Step 4: Simplify right side
    456,411.90x = 130,123,749,375.81
  5. Step 5: Solve for x
    x = 130,123,749,375.81/456,411.90
  6. Step 6: Final answer
    x = 285,101.57

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