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Finding the Fourth Proportional to 448,630.74, 673,019.01 and 149,060.34

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Solution

The fourth proportional to 448,630.74, 673,019.01 and 149,060.34 is: 223,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,630.74 : 673,019.01 = 149,060.34 : x
  2. Step 2: Convert to fraction form
    448,630.74/673,019.01 = 149,060.34/x
  3. Step 3: Cross multiply
    448,630.74x = 673,019.01 × 149,060.34
  4. Step 4: Simplify right side
    448,630.74x = 100,320,442,457.06
  5. Step 5: Solve for x
    x = 100,320,442,457.06/448,630.74
  6. Step 6: Final answer
    x = 223,614.73

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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.