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Finding the Fourth Proportional to 364,385.64, 502,853.04 and 203,251.11

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Solution

The fourth proportional to 364,385.64, 502,853.04 and 203,251.11 is: 280,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,385.64 : 502,853.04 = 203,251.11 : x
  2. Step 2: Convert to fraction form
    364,385.64/502,853.04 = 203,251.11/x
  3. Step 3: Cross multiply
    364,385.64x = 502,853.04 × 203,251.11
  4. Step 4: Simplify right side
    364,385.64x = 102,205,438,546.87
  5. Step 5: Solve for x
    x = 102,205,438,546.87/364,385.64
  6. Step 6: Final answer
    x = 280,487.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.