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Finding the Fourth Proportional to 492,105.27, 679,105.31 and 265,750.77

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Solution

The fourth proportional to 492,105.27, 679,105.31 and 265,750.77 is: 366,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,105.27 : 679,105.31 = 265,750.77 : x
  2. Step 2: Convert to fraction form
    492,105.27/679,105.31 = 265,750.77/x
  3. Step 3: Cross multiply
    492,105.27x = 679,105.31 × 265,750.77
  4. Step 4: Simplify right side
    492,105.27x = 180,472,757,714.84
  5. Step 5: Solve for x
    x = 180,472,757,714.84/492,105.27
  6. Step 6: Final answer
    x = 366,736.08

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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.