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Finding the Fourth Proportional to 551,782.20, 827,235.90 and 302,464.20

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Solution

The fourth proportional to 551,782.20, 827,235.90 and 302,464.20 is: 453,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,782.20 : 827,235.90 = 302,464.20 : x
  2. Step 2: Convert to fraction form
    551,782.20/827,235.90 = 302,464.20/x
  3. Step 3: Cross multiply
    551,782.20x = 827,235.90 × 302,464.20
  4. Step 4: Simplify right side
    551,782.20x = 250,209,244,704.78
  5. Step 5: Solve for x
    x = 250,209,244,704.78/551,782.20
  6. Step 6: Final answer
    x = 453,456.54

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1.5x scale

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.