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Finding the Fourth Proportional to 588,997.01, 813,226.16 and 395,699.02

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Solution

The fourth proportional to 588,997.01, 813,226.16 and 395,699.02 is: 546,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,997.01 : 813,226.16 = 395,699.02 : x
  2. Step 2: Convert to fraction form
    588,997.01/813,226.16 = 395,699.02/x
  3. Step 3: Cross multiply
    588,997.01x = 813,226.16 × 395,699.02
  4. Step 4: Simplify right side
    588,997.01x = 321,792,794,550.36
  5. Step 5: Solve for x
    x = 321,792,794,550.36/588,997.01
  6. Step 6: Final answer
    x = 546,340.29

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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.