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Finding the Fourth Proportional to 401,040.40, 601,560.60 and 164,552.80

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Solution

The fourth proportional to 401,040.40, 601,560.60 and 164,552.80 is: 246,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,040.40 : 601,560.60 = 164,552.80 : x
  2. Step 2: Convert to fraction form
    401,040.40/601,560.60 = 164,552.80/x
  3. Step 3: Cross multiply
    401,040.40x = 601,560.60 × 164,552.80
  4. Step 4: Simplify right side
    401,040.40x = 98,988,481,099.68
  5. Step 5: Solve for x
    x = 98,988,481,099.68/401,040.40
  6. Step 6: Final answer
    x = 246,829.20

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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.