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Finding the Fourth Proportional to 545,171, 752,255.24 and 327,333.66

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Solution

The fourth proportional to 545,171, 752,255.24 and 327,333.66 is: 451,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,171 : 752,255.24 = 327,333.66 : x
  2. Step 2: Convert to fraction form
    545,171/752,255.24 = 327,333.66/x
  3. Step 3: Cross multiply
    545,171x = 752,255.24 × 327,333.66
  4. Step 4: Simplify right side
    545,171x = 246,238,460,963.38
  5. Step 5: Solve for x
    x = 246,238,460,963.38/545,171
  6. Step 6: Final answer
    x = 451,671.97

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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.