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Finding the Fourth Proportional to 488,655.78, 674,344.51 and 273,797.39

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Solution

The fourth proportional to 488,655.78, 674,344.51 and 273,797.39 is: 377,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,655.78 : 674,344.51 = 273,797.39 : x
  2. Step 2: Convert to fraction form
    488,655.78/674,344.51 = 273,797.39/x
  3. Step 3: Cross multiply
    488,655.78x = 674,344.51 × 273,797.39
  4. Step 4: Simplify right side
    488,655.78x = 184,633,762,742.61
  5. Step 5: Solve for x
    x = 184,633,762,742.61/488,655.78
  6. Step 6: Final answer
    x = 377,840.13

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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.