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Finding the Fourth Proportional to 459,322.61, 633,660.62 and 268,251.71

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Solution

The fourth proportional to 459,322.61, 633,660.62 and 268,251.71 is: 370,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,322.61 : 633,660.62 = 268,251.71 : x
  2. Step 2: Convert to fraction form
    459,322.61/633,660.62 = 268,251.71/x
  3. Step 3: Cross multiply
    459,322.61x = 633,660.62 × 268,251.71
  4. Step 4: Simplify right side
    459,322.61x = 169,980,544,874.66
  5. Step 5: Solve for x
    x = 169,980,544,874.66/459,322.61
  6. Step 6: Final answer
    x = 370,067.88

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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.