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Finding the Fourth Proportional to 552,121.20, 827,744.40 and 302,803.20

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Solution

The fourth proportional to 552,121.20, 827,744.40 and 302,803.20 is: 453,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,121.20 : 827,744.40 = 302,803.20 : x
  2. Step 2: Convert to fraction form
    552,121.20/827,744.40 = 302,803.20/x
  3. Step 3: Cross multiply
    552,121.20x = 827,744.40 × 302,803.20
  4. Step 4: Simplify right side
    552,121.20x = 250,643,653,102.08
  5. Step 5: Solve for x
    x = 250,643,653,102.08/552,121.20
  6. Step 6: Final answer
    x = 453,964.91

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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.