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Finding the Fourth Proportional to 486,262.76, 671,076.42 and 271,444.76

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Solution

The fourth proportional to 486,262.76, 671,076.42 and 271,444.76 is: 374,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,262.76 : 671,076.42 = 271,444.76 : x
  2. Step 2: Convert to fraction form
    486,262.76/671,076.42 = 271,444.76/x
  3. Step 3: Cross multiply
    486,262.76x = 671,076.42 × 271,444.76
  4. Step 4: Simplify right side
    486,262.76x = 182,160,177,768.56
  5. Step 5: Solve for x
    x = 182,160,177,768.56/486,262.76
  6. Step 6: Final answer
    x = 374,612.64

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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.