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Finding the Fourth Proportional to 400,955.74, 601,360.93 and 161,059.98

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Solution

The fourth proportional to 400,955.74, 601,360.93 and 161,059.98 is: 241,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,955.74 : 601,360.93 = 161,059.98 : x
  2. Step 2: Convert to fraction form
    400,955.74/601,360.93 = 161,059.98/x
  3. Step 3: Cross multiply
    400,955.74x = 601,360.93 × 161,059.98
  4. Step 4: Simplify right side
    400,955.74x = 96,855,179,358.58
  5. Step 5: Solve for x
    x = 96,855,179,358.58/400,955.74
  6. Step 6: Final answer
    x = 241,560.78

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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.