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Finding the Fourth Proportional to 448,592.10, 673,255.35 and 445,092.90

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Solution

The fourth proportional to 448,592.10, 673,255.35 and 445,092.90 is: 668,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,592.10 : 673,255.35 = 445,092.90 : x
  2. Step 2: Convert to fraction form
    448,592.10/673,255.35 = 445,092.90/x
  3. Step 3: Cross multiply
    448,592.10x = 673,255.35 × 445,092.90
  4. Step 4: Simplify right side
    448,592.10x = 299,661,176,172.02
  5. Step 5: Solve for x
    x = 299,661,176,172.02/448,592.10
  6. Step 6: Final answer
    x = 668,003.69

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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.