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Finding the Fourth Proportional to 478,001.44, 716,997.30 and 123,014.08

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Solution

The fourth proportional to 478,001.44, 716,997.30 and 123,014.08 is: 184,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,001.44 : 716,997.30 = 123,014.08 : x
  2. Step 2: Convert to fraction form
    478,001.44/716,997.30 = 123,014.08/x
  3. Step 3: Cross multiply
    478,001.44x = 716,997.30 × 123,014.08
  4. Step 4: Simplify right side
    478,001.44x = 88,200,763,221.98
  5. Step 5: Solve for x
    x = 88,200,763,221.98/478,001.44
  6. Step 6: Final answer
    x = 184,519.87

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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.