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Finding the Fourth Proportional to 503,889.17, 755,829.05 and 204,298.55

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Solution

The fourth proportional to 503,889.17, 755,829.05 and 204,298.55 is: 306,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,889.17 : 755,829.05 = 204,298.55 : x
  2. Step 2: Convert to fraction form
    503,889.17/755,829.05 = 204,298.55/x
  3. Step 3: Cross multiply
    503,889.17x = 755,829.05 × 204,298.55
  4. Step 4: Simplify right side
    503,889.17x = 154,414,777,941.39
  5. Step 5: Solve for x
    x = 154,414,777,941.39/503,889.17
  6. Step 6: Final answer
    x = 306,445.92

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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.