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Finding the Fourth Proportional to 551,483.46, 827,358.16 and 191,601.88

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Solution

The fourth proportional to 551,483.46, 827,358.16 and 191,601.88 is: 287,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,483.46 : 827,358.16 = 191,601.88 : x
  2. Step 2: Convert to fraction form
    551,483.46/827,358.16 = 191,601.88/x
  3. Step 3: Cross multiply
    551,483.46x = 827,358.16 × 191,601.88
  4. Step 4: Simplify right side
    551,483.46x = 158,523,378,889.34
  5. Step 5: Solve for x
    x = 158,523,378,889.34/551,483.46
  6. Step 6: Final answer
    x = 287,449.02

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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.