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Finding the Fourth Proportional to 610,761.06, 842,851.26 and 338,828.97

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Solution

The fourth proportional to 610,761.06, 842,851.26 and 338,828.97 is: 467,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,761.06 : 842,851.26 = 338,828.97 : x
  2. Step 2: Convert to fraction form
    610,761.06/842,851.26 = 338,828.97/x
  3. Step 3: Cross multiply
    610,761.06x = 842,851.26 × 338,828.97
  4. Step 4: Simplify right side
    610,761.06x = 285,582,424,289.00
  5. Step 5: Solve for x
    x = 285,582,424,289.00/610,761.06
  6. Step 6: Final answer
    x = 467,584.53

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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.