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Finding the Fourth Proportional to 486,672.76, 671,601.40 and 271,815.94

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Solution

The fourth proportional to 486,672.76, 671,601.40 and 271,815.94 is: 375,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,672.76 : 671,601.40 = 271,815.94 : x
  2. Step 2: Convert to fraction form
    486,672.76/671,601.40 = 271,815.94/x
  3. Step 3: Cross multiply
    486,672.76x = 671,601.40 × 271,815.94
  4. Step 4: Simplify right side
    486,672.76x = 182,551,965,846.32
  5. Step 5: Solve for x
    x = 182,551,965,846.32/486,672.76
  6. Step 6: Final answer
    x = 375,102.08

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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.