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Finding the Fourth Proportional to 519,792.72, 779,888.52 and 182,868.36

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Solution

The fourth proportional to 519,792.72, 779,888.52 and 182,868.36 is: 274,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,792.72 : 779,888.52 = 182,868.36 : x
  2. Step 2: Convert to fraction form
    519,792.72/779,888.52 = 182,868.36/x
  3. Step 3: Cross multiply
    519,792.72x = 779,888.52 × 182,868.36
  4. Step 4: Simplify right side
    519,792.72x = 142,616,934,635.23
  5. Step 5: Solve for x
    x = 142,616,934,635.23/519,792.72
  6. Step 6: Final answer
    x = 274,372.71

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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.