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Finding the Fourth Proportional to 508,512.97, 701,701.51 and 301,745.73

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Solution

The fourth proportional to 508,512.97, 701,701.51 and 301,745.73 is: 416,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,512.97 : 701,701.51 = 301,745.73 : x
  2. Step 2: Convert to fraction form
    508,512.97/701,701.51 = 301,745.73/x
  3. Step 3: Cross multiply
    508,512.97x = 701,701.51 × 301,745.73
  4. Step 4: Simplify right side
    508,512.97x = 211,735,434,377.05
  5. Step 5: Solve for x
    x = 211,735,434,377.05/508,512.97
  6. Step 6: Final answer
    x = 416,381.58

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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.