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Finding the Fourth Proportional to 374,701.44, 517,256.72 and 238,917.52

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Solution

The fourth proportional to 374,701.44, 517,256.72 and 238,917.52 is: 329,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,701.44 : 517,256.72 = 238,917.52 : x
  2. Step 2: Convert to fraction form
    374,701.44/517,256.72 = 238,917.52/x
  3. Step 3: Cross multiply
    374,701.44x = 517,256.72 × 238,917.52
  4. Step 4: Simplify right side
    374,701.44x = 123,581,692,745.73
  5. Step 5: Solve for x
    x = 123,581,692,745.73/374,701.44
  6. Step 6: Final answer
    x = 329,813.77

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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.