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Finding the Fourth Proportional to 494,448.30, 741,672.45 and 245,616.30

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Solution

The fourth proportional to 494,448.30, 741,672.45 and 245,616.30 is: 368,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,448.30 : 741,672.45 = 245,616.30 : x
  2. Step 2: Convert to fraction form
    494,448.30/741,672.45 = 245,616.30/x
  3. Step 3: Cross multiply
    494,448.30x = 741,672.45 × 245,616.30
  4. Step 4: Simplify right side
    494,448.30x = 182,166,842,980.94
  5. Step 5: Solve for x
    x = 182,166,842,980.94/494,448.30
  6. Step 6: Final answer
    x = 368,424.45

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Similar ratio
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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.