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Finding the Fourth Proportional to 437,677.75, 656,516.63 and 105,253.75

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Solution

The fourth proportional to 437,677.75, 656,516.63 and 105,253.75 is: 157,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,677.75 : 656,516.63 = 105,253.75 : x
  2. Step 2: Convert to fraction form
    437,677.75/656,516.63 = 105,253.75/x
  3. Step 3: Cross multiply
    437,677.75x = 656,516.63 × 105,253.75
  4. Step 4: Simplify right side
    437,677.75x = 69,100,837,244.86
  5. Step 5: Solve for x
    x = 69,100,837,244.86/437,677.75
  6. Step 6: Final answer
    x = 157,880.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.