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Finding the Fourth Proportional to 486,484.52, 671,342.28 and 271,628.24

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Solution

The fourth proportional to 486,484.52, 671,342.28 and 271,628.24 is: 374,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,484.52 : 671,342.28 = 271,628.24 : x
  2. Step 2: Convert to fraction form
    486,484.52/671,342.28 = 271,628.24/x
  3. Step 3: Cross multiply
    486,484.52x = 671,342.28 × 271,628.24
  4. Step 4: Simplify right side
    486,484.52x = 182,355,521,953.99
  5. Step 5: Solve for x
    x = 182,355,521,953.99/486,484.52
  6. Step 6: Final answer
    x = 374,843.42

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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.