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Finding the Fourth Proportional to 401,064.86, 601,192.23 and 251,410.04

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Solution

The fourth proportional to 401,064.86, 601,192.23 and 251,410.04 is: 376,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,064.86 : 601,192.23 = 251,410.04 : x
  2. Step 2: Convert to fraction form
    401,064.86/601,192.23 = 251,410.04/x
  3. Step 3: Cross multiply
    401,064.86x = 601,192.23 × 251,410.04
  4. Step 4: Simplify right side
    401,064.86x = 151,145,765,693.60
  5. Step 5: Solve for x
    x = 151,145,765,693.60/401,064.86
  6. Step 6: Final answer
    x = 376,861.16

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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.