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Finding the Fourth Proportional to 468,380.40, 702,572.40 and 113,393.88

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Solution

The fourth proportional to 468,380.40, 702,572.40 and 113,393.88 is: 170,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,380.40 : 702,572.40 = 113,393.88 : x
  2. Step 2: Convert to fraction form
    468,380.40/702,572.40 = 113,393.88/x
  3. Step 3: Cross multiply
    468,380.40x = 702,572.40 × 113,393.88
  4. Step 4: Simplify right side
    468,380.40x = 79,667,410,416.91
  5. Step 5: Solve for x
    x = 79,667,410,416.91/468,380.40
  6. Step 6: Final answer
    x = 170,091.26

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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.