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Finding the Fourth Proportional to 682,448.46, 941,782.14 and 376,524.82

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Solution

The fourth proportional to 682,448.46, 941,782.14 and 376,524.82 is: 519,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,448.46 : 941,782.14 = 376,524.82 : x
  2. Step 2: Convert to fraction form
    682,448.46/941,782.14 = 376,524.82/x
  3. Step 3: Cross multiply
    682,448.46x = 941,782.14 × 376,524.82
  4. Step 4: Simplify right side
    682,448.46x = 354,604,350,742.72
  5. Step 5: Solve for x
    x = 354,604,350,742.72/682,448.46
  6. Step 6: Final answer
    x = 519,606.06

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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.