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Finding the Fourth Proportional to 448,650.96, 672,751.56 and 149,026.49

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Solution

The fourth proportional to 448,650.96, 672,751.56 and 149,026.49 is: 223,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,650.96 : 672,751.56 = 149,026.49 : x
  2. Step 2: Convert to fraction form
    448,650.96/672,751.56 = 149,026.49/x
  3. Step 3: Cross multiply
    448,650.96x = 672,751.56 × 149,026.49
  4. Step 4: Simplify right side
    448,650.96x = 100,257,803,628.82
  5. Step 5: Solve for x
    x = 100,257,803,628.82/448,650.96
  6. Step 6: Final answer
    x = 223,465.04

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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.