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Finding the Fourth Proportional to 502,616.60, 753,923.41 and 203,093.72

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Solution

The fourth proportional to 502,616.60, 753,923.41 and 203,093.72 is: 304,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,616.60 : 753,923.41 = 203,093.72 : x
  2. Step 2: Convert to fraction form
    502,616.60/753,923.41 = 203,093.72/x
  3. Step 3: Cross multiply
    502,616.60x = 753,923.41 × 203,093.72
  4. Step 4: Simplify right side
    502,616.60x = 153,117,109,931.99
  5. Step 5: Solve for x
    x = 153,117,109,931.99/502,616.60
  6. Step 6: Final answer
    x = 304,639.98

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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.