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Finding the Fourth Proportional to 488,717.76, 674,458.47 and 273,927.24

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Solution

The fourth proportional to 488,717.76, 674,458.47 and 273,927.24 is: 378,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,717.76 : 674,458.47 = 273,927.24 : x
  2. Step 2: Convert to fraction form
    488,717.76/674,458.47 = 273,927.24/x
  3. Step 3: Cross multiply
    488,717.76x = 674,458.47 × 273,927.24
  4. Step 4: Simplify right side
    488,717.76x = 184,752,547,181.72
  5. Step 5: Solve for x
    x = 184,752,547,181.72/488,717.76
  6. Step 6: Final answer
    x = 378,035.26

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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.