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Finding the Fourth Proportional to 353,236, 529,724.40 and 116,508.64

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Solution

The fourth proportional to 353,236, 529,724.40 and 116,508.64 is: 174,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,236 : 529,724.40 = 116,508.64 : x
  2. Step 2: Convert to fraction form
    353,236/529,724.40 = 116,508.64/x
  3. Step 3: Cross multiply
    353,236x = 529,724.40 × 116,508.64
  4. Step 4: Simplify right side
    353,236x = 61,717,469,418.82
  5. Step 5: Solve for x
    x = 61,717,469,418.82/353,236
  6. Step 6: Final answer
    x = 174,720.21

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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.