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Finding the Fourth Proportional to 336,555.95, 503,939.68 and 203,255.87

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Solution

The fourth proportional to 336,555.95, 503,939.68 and 203,255.87 is: 304,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,555.95 : 503,939.68 = 203,255.87 : x
  2. Step 2: Convert to fraction form
    336,555.95/503,939.68 = 203,255.87/x
  3. Step 3: Cross multiply
    336,555.95x = 503,939.68 × 203,255.87
  4. Step 4: Simplify right side
    336,555.95x = 102,428,695,058.08
  5. Step 5: Solve for x
    x = 102,428,695,058.08/336,555.95
  6. Step 6: Final answer
    x = 304,343.74

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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.