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Finding the Fourth Proportional to 304,761.17, 420,573.56 and 183,879.09

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Solution

The fourth proportional to 304,761.17, 420,573.56 and 183,879.09 is: 253,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,761.17 : 420,573.56 = 183,879.09 : x
  2. Step 2: Convert to fraction form
    304,761.17/420,573.56 = 183,879.09/x
  3. Step 3: Cross multiply
    304,761.17x = 420,573.56 × 183,879.09
  4. Step 4: Simplify right side
    304,761.17x = 77,334,682,571.47
  5. Step 5: Solve for x
    x = 77,334,682,571.47/304,761.17
  6. Step 6: Final answer
    x = 253,755.04

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1.5x scale

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.