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Finding the Fourth Proportional to 459,600.27, 634,286.69 and 255,689.61

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Solution

The fourth proportional to 459,600.27, 634,286.69 and 255,689.61 is: 352,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,600.27 : 634,286.69 = 255,689.61 : x
  2. Step 2: Convert to fraction form
    459,600.27/634,286.69 = 255,689.61/x
  3. Step 3: Cross multiply
    459,600.27x = 634,286.69 × 255,689.61
  4. Step 4: Simplify right side
    459,600.27x = 162,180,516,394.29
  5. Step 5: Solve for x
    x = 162,180,516,394.29/459,600.27
  6. Step 6: Final answer
    x = 352,872.98

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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.