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Finding the Fourth Proportional to 356,622.30, 534,933.45 and 159,630.30

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Solution

The fourth proportional to 356,622.30, 534,933.45 and 159,630.30 is: 239,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,622.30 : 534,933.45 = 159,630.30 : x
  2. Step 2: Convert to fraction form
    356,622.30/534,933.45 = 159,630.30/x
  3. Step 3: Cross multiply
    356,622.30x = 534,933.45 × 159,630.30
  4. Step 4: Simplify right side
    356,622.30x = 85,391,587,103.54
  5. Step 5: Solve for x
    x = 85,391,587,103.54/356,622.30
  6. Step 6: Final answer
    x = 239,445.45

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