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Finding the Fourth Proportional to 217,411.44, 299,621.52 and 169,589.04

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Solution

The fourth proportional to 217,411.44, 299,621.52 and 169,589.04 is: 233,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,411.44 : 299,621.52 = 169,589.04 : x
  2. Step 2: Convert to fraction form
    217,411.44/299,621.52 = 169,589.04/x
  3. Step 3: Cross multiply
    217,411.44x = 299,621.52 × 169,589.04
  4. Step 4: Simplify right side
    217,411.44x = 50,812,525,940.14
  5. Step 5: Solve for x
    x = 50,812,525,940.14/217,411.44
  6. Step 6: Final answer
    x = 233,715.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.