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Finding the Fourth Proportional to 488,560.40, 674,254.80 and 273,697.52

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Solution

The fourth proportional to 488,560.40, 674,254.80 and 273,697.52 is: 377,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,560.40 : 674,254.80 = 273,697.52 : x
  2. Step 2: Convert to fraction form
    488,560.40/674,254.80 = 273,697.52/x
  3. Step 3: Cross multiply
    488,560.40x = 674,254.80 × 273,697.52
  4. Step 4: Simplify right side
    488,560.40x = 184,541,866,608.10
  5. Step 5: Solve for x
    x = 184,541,866,608.10/488,560.40
  6. Step 6: Final answer
    x = 377,725.80

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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.