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Finding the Fourth Proportional to 573,827.78, 860,789.86 and 174,472.01

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Solution

The fourth proportional to 573,827.78, 860,789.86 and 174,472.01 is: 261,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,827.78 : 860,789.86 = 174,472.01 : x
  2. Step 2: Convert to fraction form
    573,827.78/860,789.86 = 174,472.01/x
  3. Step 3: Cross multiply
    573,827.78x = 860,789.86 × 174,472.01
  4. Step 4: Simplify right side
    573,827.78x = 150,183,735,549.65
  5. Step 5: Solve for x
    x = 150,183,735,549.65/573,827.78
  6. Step 6: Final answer
    x = 261,722.66

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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.