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Finding the Fourth Proportional to 459,523.94, 634,049.19 and 268,500.43

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Solution

The fourth proportional to 459,523.94, 634,049.19 and 268,500.43 is: 370,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,523.94 : 634,049.19 = 268,500.43 : x
  2. Step 2: Convert to fraction form
    459,523.94/634,049.19 = 268,500.43/x
  3. Step 3: Cross multiply
    459,523.94x = 634,049.19 × 268,500.43
  4. Step 4: Simplify right side
    459,523.94x = 170,242,478,571.03
  5. Step 5: Solve for x
    x = 170,242,478,571.03/459,523.94
  6. Step 6: Final answer
    x = 370,475.75

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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.