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Finding the Fourth Proportional to 618,304.90, 927,512.70 and 169,028.11

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Solution

The fourth proportional to 618,304.90, 927,512.70 and 169,028.11 is: 253,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,304.90 : 927,512.70 = 169,028.11 : x
  2. Step 2: Convert to fraction form
    618,304.90/927,512.70 = 169,028.11/x
  3. Step 3: Cross multiply
    618,304.90x = 927,512.70 × 169,028.11
  4. Step 4: Simplify right side
    618,304.90x = 156,775,718,682.00
  5. Step 5: Solve for x
    x = 156,775,718,682.00/618,304.90
  6. Step 6: Final answer
    x = 253,557.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.