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Finding the Fourth Proportional to 486,472.52, 671,325.72 and 271,616.24

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Solution

The fourth proportional to 486,472.52, 671,325.72 and 271,616.24 is: 374,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,472.52 : 671,325.72 = 271,616.24 : x
  2. Step 2: Convert to fraction form
    486,472.52/671,325.72 = 271,616.24/x
  3. Step 3: Cross multiply
    486,472.52x = 671,325.72 × 271,616.24
  4. Step 4: Simplify right side
    486,472.52x = 182,342,967,881.69
  5. Step 5: Solve for x
    x = 182,342,967,881.69/486,472.52
  6. Step 6: Final answer
    x = 374,826.86

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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.