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Finding the Fourth Proportional to 296,792.56, 445,774.20 and 255,013.84

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Solution

The fourth proportional to 296,792.56, 445,774.20 and 255,013.84 is: 383,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,792.56 : 445,774.20 = 255,013.84 : x
  2. Step 2: Convert to fraction form
    296,792.56/445,774.20 = 255,013.84/x
  3. Step 3: Cross multiply
    296,792.56x = 445,774.20 × 255,013.84
  4. Step 4: Simplify right side
    296,792.56x = 113,678,590,514.93
  5. Step 5: Solve for x
    x = 113,678,590,514.93/296,792.56
  6. Step 6: Final answer
    x = 383,023.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.