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Finding the Fourth Proportional to 509,610.61, 762,752.52 and 374,638.94

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Solution

The fourth proportional to 509,610.61, 762,752.52 and 374,638.94 is: 560,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,610.61 : 762,752.52 = 374,638.94 : x
  2. Step 2: Convert to fraction form
    509,610.61/762,752.52 = 374,638.94/x
  3. Step 3: Cross multiply
    509,610.61x = 762,752.52 × 374,638.94
  4. Step 4: Simplify right side
    509,610.61x = 285,756,789,888.17
  5. Step 5: Solve for x
    x = 285,756,789,888.17/509,610.61
  6. Step 6: Final answer
    x = 560,735.56

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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.