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Finding the Fourth Proportional to 459,563.45, 634,188.46 and 255,609.98

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Solution

The fourth proportional to 459,563.45, 634,188.46 and 255,609.98 is: 352,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,563.45 : 634,188.46 = 255,609.98 : x
  2. Step 2: Convert to fraction form
    459,563.45/634,188.46 = 255,609.98/x
  3. Step 3: Cross multiply
    459,563.45x = 634,188.46 × 255,609.98
  4. Step 4: Simplify right side
    459,563.45x = 162,104,895,766.86
  5. Step 5: Solve for x
    x = 162,104,895,766.86/459,563.45
  6. Step 6: Final answer
    x = 352,736.71

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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.