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Finding the Fourth Proportional to 581,639.52, 872,083.44 and 277,908.96

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Solution

The fourth proportional to 581,639.52, 872,083.44 and 277,908.96 is: 416,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,639.52 : 872,083.44 = 277,908.96 : x
  2. Step 2: Convert to fraction form
    581,639.52/872,083.44 = 277,908.96/x
  3. Step 3: Cross multiply
    581,639.52x = 872,083.44 × 277,908.96
  4. Step 4: Simplify right side
    581,639.52x = 242,359,801,843.62
  5. Step 5: Solve for x
    x = 242,359,801,843.62/581,639.52
  6. Step 6: Final answer
    x = 416,683.86

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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.