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Finding the Fourth Proportional to 401,040.30, 601,560.45 and 164,552.70

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Solution

The fourth proportional to 401,040.30, 601,560.45 and 164,552.70 is: 246,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,040.30 : 601,560.45 = 164,552.70 : x
  2. Step 2: Convert to fraction form
    401,040.30/601,560.45 = 164,552.70/x
  3. Step 3: Cross multiply
    401,040.30x = 601,560.45 × 164,552.70
  4. Step 4: Simplify right side
    401,040.30x = 98,988,396,260.72
  5. Step 5: Solve for x
    x = 98,988,396,260.72/401,040.30
  6. Step 6: Final answer
    x = 246,829.05

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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.