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Finding the Fourth Proportional to 624,681.92, 936,626.49 and 529,944.73

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Solution

The fourth proportional to 624,681.92, 936,626.49 and 529,944.73 is: 794,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,681.92 : 936,626.49 = 529,944.73 : x
  2. Step 2: Convert to fraction form
    624,681.92/936,626.49 = 529,944.73/x
  3. Step 3: Cross multiply
    624,681.92x = 936,626.49 × 529,944.73
  4. Step 4: Simplify right side
    624,681.92x = 496,360,270,012.33
  5. Step 5: Solve for x
    x = 496,360,270,012.33/624,681.92
  6. Step 6: Final answer
    x = 794,580.81

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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.