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Finding the Fourth Proportional to 448,672.35, 673,138.83 and 145,060.02

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Solution

The fourth proportional to 448,672.35, 673,138.83 and 145,060.02 is: 217,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,672.35 : 673,138.83 = 145,060.02 : x
  2. Step 2: Convert to fraction form
    448,672.35/673,138.83 = 145,060.02/x
  3. Step 3: Cross multiply
    448,672.35x = 673,138.83 × 145,060.02
  4. Step 4: Simplify right side
    448,672.35x = 97,645,533,462.77
  5. Step 5: Solve for x
    x = 97,645,533,462.77/448,672.35
  6. Step 6: Final answer
    x = 217,632.16

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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.