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Finding the Fourth Proportional to 486,496.53, 671,432.49 and 271,650.51

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Solution

The fourth proportional to 486,496.53, 671,432.49 and 271,650.51 is: 374,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,496.53 : 671,432.49 = 271,650.51 : x
  2. Step 2: Convert to fraction form
    486,496.53/671,432.49 = 271,650.51/x
  3. Step 3: Cross multiply
    486,496.53x = 671,432.49 × 271,650.51
  4. Step 4: Simplify right side
    486,496.53x = 182,394,978,339.07
  5. Step 5: Solve for x
    x = 182,394,978,339.07/486,496.53
  6. Step 6: Final answer
    x = 374,915.27

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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.