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Finding the Fourth Proportional to 326,388.27, 450,291.92 and 240,552.17

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Solution

The fourth proportional to 326,388.27, 450,291.92 and 240,552.17 is: 331,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,388.27 : 450,291.92 = 240,552.17 : x
  2. Step 2: Convert to fraction form
    326,388.27/450,291.92 = 240,552.17/x
  3. Step 3: Cross multiply
    326,388.27x = 450,291.92 × 240,552.17
  4. Step 4: Simplify right side
    326,388.27x = 108,318,698,489.47
  5. Step 5: Solve for x
    x = 108,318,698,489.47/326,388.27
  6. Step 6: Final answer
    x = 331,870.68

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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.