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Finding the Fourth Proportional to 675,761.76, 932,285.97 and 434,010.78

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Solution

The fourth proportional to 675,761.76, 932,285.97 and 434,010.78 is: 598,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,761.76 : 932,285.97 = 434,010.78 : x
  2. Step 2: Convert to fraction form
    675,761.76/932,285.97 = 434,010.78/x
  3. Step 3: Cross multiply
    675,761.76x = 932,285.97 × 434,010.78
  4. Step 4: Simplify right side
    675,761.76x = 404,622,161,022.76
  5. Step 5: Solve for x
    x = 404,622,161,022.76/675,761.76
  6. Step 6: Final answer
    x = 598,764.51

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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.