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Finding the Fourth Proportional to 448,987.58, 673,456.76 and 271,446.92

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Solution

The fourth proportional to 448,987.58, 673,456.76 and 271,446.92 is: 407,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,987.58 : 673,456.76 = 271,446.92 : x
  2. Step 2: Convert to fraction form
    448,987.58/673,456.76 = 271,446.92/x
  3. Step 3: Cross multiply
    448,987.58x = 673,456.76 × 271,446.92
  4. Step 4: Simplify right side
    448,987.58x = 182,807,758,530.66
  5. Step 5: Solve for x
    x = 182,807,758,530.66/448,987.58
  6. Step 6: Final answer
    x = 407,155.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.