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Finding the Fourth Proportional to 253,832.53, 350,448.12 and 163,345.72

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Solution

The fourth proportional to 253,832.53, 350,448.12 and 163,345.72 is: 225,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,832.53 : 350,448.12 = 163,345.72 : x
  2. Step 2: Convert to fraction form
    253,832.53/350,448.12 = 163,345.72/x
  3. Step 3: Cross multiply
    253,832.53x = 350,448.12 × 163,345.72
  4. Step 4: Simplify right side
    253,832.53x = 57,244,200,484.05
  5. Step 5: Solve for x
    x = 57,244,200,484.05/253,832.53
  6. Step 6: Final answer
    x = 225,519.56

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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.