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Finding the Fourth Proportional to 503,183.28, 754,750.32 and 187,615.56

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Solution

The fourth proportional to 503,183.28, 754,750.32 and 187,615.56 is: 281,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,183.28 : 754,750.32 = 187,615.56 : x
  2. Step 2: Convert to fraction form
    503,183.28/754,750.32 = 187,615.56/x
  3. Step 3: Cross multiply
    503,183.28x = 754,750.32 × 187,615.56
  4. Step 4: Simplify right side
    503,183.28x = 141,602,903,946.98
  5. Step 5: Solve for x
    x = 141,602,903,946.98/503,183.28
  6. Step 6: Final answer
    x = 281,414.17

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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.