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Finding the Fourth Proportional to 624,060.72, 936,188.28 and 203,238.72

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Solution

The fourth proportional to 624,060.72, 936,188.28 and 203,238.72 is: 304,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,060.72 : 936,188.28 = 203,238.72 : x
  2. Step 2: Convert to fraction form
    624,060.72/936,188.28 = 203,238.72/x
  3. Step 3: Cross multiply
    624,060.72x = 936,188.28 × 203,238.72
  4. Step 4: Simplify right side
    624,060.72x = 190,269,707,706.20
  5. Step 5: Solve for x
    x = 190,269,707,706.20/624,060.72
  6. Step 6: Final answer
    x = 304,889.74

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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.