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Finding the Fourth Proportional to 624,483.57, 936,759.41 and 197,988.54

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Solution

The fourth proportional to 624,483.57, 936,759.41 and 197,988.54 is: 296,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,483.57 : 936,759.41 = 197,988.54 : x
  2. Step 2: Convert to fraction form
    624,483.57/936,759.41 = 197,988.54/x
  3. Step 3: Cross multiply
    624,483.57x = 936,759.41 × 197,988.54
  4. Step 4: Simplify right side
    624,483.57x = 185,467,627,917.16
  5. Step 5: Solve for x
    x = 185,467,627,917.16/624,483.57
  6. Step 6: Final answer
    x = 296,993.61

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1.5x scale

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.