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Finding the Fourth Proportional to 584,559.25, 874,305.80 and 344,100.22

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Solution

The fourth proportional to 584,559.25, 874,305.80 and 344,100.22 is: 514,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,559.25 : 874,305.80 = 344,100.22 : x
  2. Step 2: Convert to fraction form
    584,559.25/874,305.80 = 344,100.22/x
  3. Step 3: Cross multiply
    584,559.25x = 874,305.80 × 344,100.22
  4. Step 4: Simplify right side
    584,559.25x = 300,848,816,406.78
  5. Step 5: Solve for x
    x = 300,848,816,406.78/584,559.25
  6. Step 6: Final answer
    x = 514,659.23

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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.