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Finding the Fourth Proportional to 448,908.16, 673,281.60 and 149,393.92

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Solution

The fourth proportional to 448,908.16, 673,281.60 and 149,393.92 is: 224,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,908.16 : 673,281.60 = 149,393.92 : x
  2. Step 2: Convert to fraction form
    448,908.16/673,281.60 = 149,393.92/x
  3. Step 3: Cross multiply
    448,908.16x = 673,281.60 × 149,393.92
  4. Step 4: Simplify right side
    448,908.16x = 100,584,177,487.87
  5. Step 5: Solve for x
    x = 100,584,177,487.87/448,908.16
  6. Step 6: Final answer
    x = 224,064.04

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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.