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Finding the Fourth Proportional to 551,816.80, 826,319.76 and 364,255.84

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Solution

The fourth proportional to 551,816.80, 826,319.76 and 364,255.84 is: 545,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,816.80 : 826,319.76 = 364,255.84 : x
  2. Step 2: Convert to fraction form
    551,816.80/826,319.76 = 364,255.84/x
  3. Step 3: Cross multiply
    551,816.80x = 826,319.76 × 364,255.84
  4. Step 4: Simplify right side
    551,816.80x = 300,991,798,287.40
  5. Step 5: Solve for x
    x = 300,991,798,287.40/551,816.80
  6. Step 6: Final answer
    x = 545,456.03

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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.