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Finding the Fourth Proportional to 568,630.86, 852,929.88 and 147,906.72

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Solution

The fourth proportional to 568,630.86, 852,929.88 and 147,906.72 is: 221,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,630.86 : 852,929.88 = 147,906.72 : x
  2. Step 2: Convert to fraction form
    568,630.86/852,929.88 = 147,906.72/x
  3. Step 3: Cross multiply
    568,630.86x = 852,929.88 × 147,906.72
  4. Step 4: Simplify right side
    568,630.86x = 126,154,060,940.79
  5. Step 5: Solve for x
    x = 126,154,060,940.79/568,630.86
  6. Step 6: Final answer
    x = 221,855.81

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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.