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Finding the Fourth Proportional to 488,823.84, 674,603.76 and 274,032.96

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Solution

The fourth proportional to 488,823.84, 674,603.76 and 274,032.96 is: 378,180.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,823.84 : 674,603.76 = 274,032.96 : x
  2. Step 2: Convert to fraction form
    488,823.84/674,603.76 = 274,032.96/x
  3. Step 3: Cross multiply
    488,823.84x = 674,603.76 × 274,032.96
  4. Step 4: Simplify right side
    488,823.84x = 184,863,665,179.93
  5. Step 5: Solve for x
    x = 184,863,665,179.93/488,823.84
  6. Step 6: Final answer
    x = 378,180.54

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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.