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Finding the Fourth Proportional to 488,637.84, 674,274.56 and 273,732.32

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Solution

The fourth proportional to 488,637.84, 674,274.56 and 273,732.32 is: 377,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,637.84 : 674,274.56 = 273,732.32 : x
  2. Step 2: Convert to fraction form
    488,637.84/674,274.56 = 273,732.32/x
  3. Step 3: Cross multiply
    488,637.84x = 674,274.56 × 273,732.32
  4. Step 4: Simplify right side
    488,637.84x = 184,570,739,625.78
  5. Step 5: Solve for x
    x = 184,570,739,625.78/488,637.84
  6. Step 6: Final answer
    x = 377,725.02

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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.