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Finding the Fourth Proportional to 551,873.20, 827,372.40 and 302,555.20

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Solution

The fourth proportional to 551,873.20, 827,372.40 and 302,555.20 is: 453,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,873.20 : 827,372.40 = 302,555.20 : x
  2. Step 2: Convert to fraction form
    551,873.20/827,372.40 = 302,555.20/x
  3. Step 3: Cross multiply
    551,873.20x = 827,372.40 × 302,555.20
  4. Step 4: Simplify right side
    551,873.20x = 250,325,821,956.48
  5. Step 5: Solve for x
    x = 250,325,821,956.48/551,873.20
  6. Step 6: Final answer
    x = 453,593.00

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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.