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Finding the Fourth Proportional to 248,691.36, 343,309.32 and 146,682.48

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Solution

The fourth proportional to 248,691.36, 343,309.32 and 146,682.48 is: 202,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,691.36 : 343,309.32 = 146,682.48 : x
  2. Step 2: Convert to fraction form
    248,691.36/343,309.32 = 146,682.48/x
  3. Step 3: Cross multiply
    248,691.36x = 343,309.32 × 146,682.48
  4. Step 4: Simplify right side
    248,691.36x = 50,357,462,464.71
  5. Step 5: Solve for x
    x = 50,357,462,464.71/248,691.36
  6. Step 6: Final answer
    x = 202,489.79

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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.