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Finding the Fourth Proportional to 622,203.60, 930,972.60 and 412,251.60

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Solution

The fourth proportional to 622,203.60, 930,972.60 and 412,251.60 is: 616,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,203.60 : 930,972.60 = 412,251.60 : x
  2. Step 2: Convert to fraction form
    622,203.60/930,972.60 = 412,251.60/x
  3. Step 3: Cross multiply
    622,203.60x = 930,972.60 × 412,251.60
  4. Step 4: Simplify right side
    622,203.60x = 383,794,943,906.16
  5. Step 5: Solve for x
    x = 383,794,943,906.16/622,203.60
  6. Step 6: Final answer
    x = 616,831.76

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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.