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Finding the Fourth Proportional to 448,807.46, 673,136.24 and 149,319.68

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Solution

The fourth proportional to 448,807.46, 673,136.24 and 149,319.68 is: 223,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,807.46 : 673,136.24 = 149,319.68 : x
  2. Step 2: Convert to fraction form
    448,807.46/673,136.24 = 149,319.68/x
  3. Step 3: Cross multiply
    448,807.46x = 673,136.24 × 149,319.68
  4. Step 4: Simplify right side
    448,807.46x = 100,512,487,953.20
  5. Step 5: Solve for x
    x = 100,512,487,953.20/448,807.46
  6. Step 6: Final answer
    x = 223,954.58

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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.