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Finding the Fourth Proportional to 483,079.68, 665,553.24 and 373,808.25

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Solution

The fourth proportional to 483,079.68, 665,553.24 and 373,808.25 is: 515,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,079.68 : 665,553.24 = 373,808.25 : x
  2. Step 2: Convert to fraction form
    483,079.68/665,553.24 = 373,808.25/x
  3. Step 3: Cross multiply
    483,079.68x = 665,553.24 × 373,808.25
  4. Step 4: Simplify right side
    483,079.68x = 248,789,291,926.23
  5. Step 5: Solve for x
    x = 248,789,291,926.23/483,079.68
  6. Step 6: Final answer
    x = 515,006.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.