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Finding the Fourth Proportional to 519,800.51, 779,615.31 and 182,761.94

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Solution

The fourth proportional to 519,800.51, 779,615.31 and 182,761.94 is: 274,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,800.51 : 779,615.31 = 182,761.94 : x
  2. Step 2: Convert to fraction form
    519,800.51/779,615.31 = 182,761.94/x
  3. Step 3: Cross multiply
    519,800.51x = 779,615.31 × 182,761.94
  4. Step 4: Simplify right side
    519,800.51x = 142,484,006,509.30
  5. Step 5: Solve for x
    x = 142,484,006,509.30/519,800.51
  6. Step 6: Final answer
    x = 274,112.86

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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.