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Finding the Fourth Proportional to 488,008.47, 673,451.51 and 273,148.48

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Solution

The fourth proportional to 488,008.47, 673,451.51 and 273,148.48 is: 376,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,008.47 : 673,451.51 = 273,148.48 : x
  2. Step 2: Convert to fraction form
    488,008.47/673,451.51 = 273,148.48/x
  3. Step 3: Cross multiply
    488,008.47x = 673,451.51 × 273,148.48
  4. Step 4: Simplify right side
    488,008.47x = 183,952,253,260.83
  5. Step 5: Solve for x
    x = 183,952,253,260.83/488,008.47
  6. Step 6: Final answer
    x = 376,944.80

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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.