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Finding the Fourth Proportional to 519,793.72, 779,890.02 and 182,869.36

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Solution

The fourth proportional to 519,793.72, 779,890.02 and 182,869.36 is: 274,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,793.72 : 779,890.02 = 182,869.36 : x
  2. Step 2: Convert to fraction form
    519,793.72/779,890.02 = 182,869.36/x
  3. Step 3: Cross multiply
    519,793.72x = 779,890.02 × 182,869.36
  4. Step 4: Simplify right side
    519,793.72x = 142,617,988,827.79
  5. Step 5: Solve for x
    x = 142,617,988,827.79/519,793.72
  6. Step 6: Final answer
    x = 274,374.21

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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.