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Finding the Fourth Proportional to 295,576.26, 407,895.28 and 161,440.26

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Solution

The fourth proportional to 295,576.26, 407,895.28 and 161,440.26 is: 222,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,576.26 : 407,895.28 = 161,440.26 : x
  2. Step 2: Convert to fraction form
    295,576.26/407,895.28 = 161,440.26/x
  3. Step 3: Cross multiply
    295,576.26x = 407,895.28 × 161,440.26
  4. Step 4: Simplify right side
    295,576.26x = 65,850,720,055.97
  5. Step 5: Solve for x
    x = 65,850,720,055.97/295,576.26
  6. Step 6: Final answer
    x = 222,787.58

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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.