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Finding the Fourth Proportional to 468,938.79, 703,406.36 and 113,953.86

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Solution

The fourth proportional to 468,938.79, 703,406.36 and 113,953.86 is: 170,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,938.79 : 703,406.36 = 113,953.86 : x
  2. Step 2: Convert to fraction form
    468,938.79/703,406.36 = 113,953.86/x
  3. Step 3: Cross multiply
    468,938.79x = 703,406.36 × 113,953.86
  4. Step 4: Simplify right side
    468,938.79x = 80,155,870,155.43
  5. Step 5: Solve for x
    x = 80,155,870,155.43/468,938.79
  6. Step 6: Final answer
    x = 170,930.35

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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.