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Finding the Fourth Proportional to 443,859.11, 612,562.89 and 271,776.23

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Solution

The fourth proportional to 443,859.11, 612,562.89 and 271,776.23 is: 375,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,859.11 : 612,562.89 = 271,776.23 : x
  2. Step 2: Convert to fraction form
    443,859.11/612,562.89 = 271,776.23/x
  3. Step 3: Cross multiply
    443,859.11x = 612,562.89 × 271,776.23
  4. Step 4: Simplify right side
    443,859.11x = 166,480,028,460.41
  5. Step 5: Solve for x
    x = 166,480,028,460.41/443,859.11
  6. Step 6: Final answer
    x = 375,074.04

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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.