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Finding the Fourth Proportional to 353,788.94, 530,753.45 and 101,071.61

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Solution

The fourth proportional to 353,788.94, 530,753.45 and 101,071.61 is: 151,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,788.94 : 530,753.45 = 101,071.61 : x
  2. Step 2: Convert to fraction form
    353,788.94/530,753.45 = 101,071.61/x
  3. Step 3: Cross multiply
    353,788.94x = 530,753.45 × 101,071.61
  4. Step 4: Simplify right side
    353,788.94x = 53,644,105,704.55
  5. Step 5: Solve for x
    x = 53,644,105,704.55/353,788.94
  6. Step 6: Final answer
    x = 151,627.42

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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.