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Finding the Fourth Proportional to 488,008.97, 673,452.20 and 273,148.98

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Solution

The fourth proportional to 488,008.97, 673,452.20 and 273,148.98 is: 376,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,008.97 : 673,452.20 = 273,148.98 : x
  2. Step 2: Convert to fraction form
    488,008.97/673,452.20 = 273,148.98/x
  3. Step 3: Cross multiply
    488,008.97x = 673,452.20 × 273,148.98
  4. Step 4: Simplify right side
    488,008.97x = 183,952,780,143.01
  5. Step 5: Solve for x
    x = 183,952,780,143.01/488,008.97
  6. Step 6: Final answer
    x = 376,945.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.