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Finding the Fourth Proportional to 488,636.64, 674,359.92 and 273,773.52

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Solution

The fourth proportional to 488,636.64, 674,359.92 and 273,773.52 is: 377,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,636.64 : 674,359.92 = 273,773.52 : x
  2. Step 2: Convert to fraction form
    488,636.64/674,359.92 = 273,773.52/x
  3. Step 3: Cross multiply
    488,636.64x = 674,359.92 × 273,773.52
  4. Step 4: Simplify right side
    488,636.64x = 184,621,889,045.32
  5. Step 5: Solve for x
    x = 184,621,889,045.32/488,636.64
  6. Step 6: Final answer
    x = 377,830.63

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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.