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Finding the Fourth Proportional to 401,145.28, 601,713.32 and 97,541.15

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Solution

The fourth proportional to 401,145.28, 601,713.32 and 97,541.15 is: 146,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,145.28 : 601,713.32 = 97,541.15 : x
  2. Step 2: Convert to fraction form
    401,145.28/601,713.32 = 97,541.15/x
  3. Step 3: Cross multiply
    401,145.28x = 601,713.32 × 97,541.15
  4. Step 4: Simplify right side
    401,145.28x = 58,691,810,951.25
  5. Step 5: Solve for x
    x = 58,691,810,951.25/401,145.28
  6. Step 6: Final answer
    x = 146,310.61

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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.