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Finding the Fourth Proportional to 619,896.33, 929,998.94 and 176,664.33

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Solution

The fourth proportional to 619,896.33, 929,998.94 and 176,664.33 is: 265,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,896.33 : 929,998.94 = 176,664.33 : x
  2. Step 2: Convert to fraction form
    619,896.33/929,998.94 = 176,664.33/x
  3. Step 3: Cross multiply
    619,896.33x = 929,998.94 × 176,664.33
  4. Step 4: Simplify right side
    619,896.33x = 164,297,638,752.49
  5. Step 5: Solve for x
    x = 164,297,638,752.49/619,896.33
  6. Step 6: Final answer
    x = 265,040.51

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Similar ratio
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1.5x scale

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.