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Finding the Fourth Proportional to 584,558.75, 874,305.05 and 344,099.72

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Solution

The fourth proportional to 584,558.75, 874,305.05 and 344,099.72 is: 514,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,558.75 : 874,305.05 = 344,099.72 : x
  2. Step 2: Convert to fraction form
    584,558.75/874,305.05 = 344,099.72/x
  3. Step 3: Cross multiply
    584,558.75x = 874,305.05 × 344,099.72
  4. Step 4: Simplify right side
    584,558.75x = 300,848,121,179.09
  5. Step 5: Solve for x
    x = 300,848,121,179.09/584,558.75
  6. Step 6: Final answer
    x = 514,658.49

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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.