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Finding the Fourth Proportional to 595,647.48, 821,997.90 and 323,716.44

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Solution

The fourth proportional to 595,647.48, 821,997.90 and 323,716.44 is: 446,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,647.48 : 821,997.90 = 323,716.44 : x
  2. Step 2: Convert to fraction form
    595,647.48/821,997.90 = 323,716.44/x
  3. Step 3: Cross multiply
    595,647.48x = 821,997.90 × 323,716.44
  4. Step 4: Simplify right side
    595,647.48x = 266,094,233,875.48
  5. Step 5: Solve for x
    x = 266,094,233,875.48/595,647.48
  6. Step 6: Final answer
    x = 446,731.07

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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.