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Finding the Fourth Proportional to 682,847.98, 942,330.07 and 376,924.28

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Solution

The fourth proportional to 682,847.98, 942,330.07 and 376,924.28 is: 520,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,847.98 : 942,330.07 = 376,924.28 : x
  2. Step 2: Convert to fraction form
    682,847.98/942,330.07 = 376,924.28/x
  3. Step 3: Cross multiply
    682,847.98x = 942,330.07 × 376,924.28
  4. Step 4: Simplify right side
    682,847.98x = 355,187,084,099.41
  5. Step 5: Solve for x
    x = 355,187,084,099.41/682,847.98
  6. Step 6: Final answer
    x = 520,155.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.