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Finding the Fourth Proportional to 599,347.20, 827,596.80 and 399,052.80

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Solution

The fourth proportional to 599,347.20, 827,596.80 and 399,052.80 is: 551,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,347.20 : 827,596.80 = 399,052.80 : x
  2. Step 2: Convert to fraction form
    599,347.20/827,596.80 = 399,052.80/x
  3. Step 3: Cross multiply
    599,347.20x = 827,596.80 × 399,052.80
  4. Step 4: Simplify right side
    599,347.20x = 330,254,820,311.04
  5. Step 5: Solve for x
    x = 330,254,820,311.04/599,347.20
  6. Step 6: Final answer
    x = 551,024.21

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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.