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Finding the Fourth Proportional to 353,503.28, 530,337.96 and 116,845.97

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Solution

The fourth proportional to 353,503.28, 530,337.96 and 116,845.97 is: 175,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,503.28 : 530,337.96 = 116,845.97 : x
  2. Step 2: Convert to fraction form
    353,503.28/530,337.96 = 116,845.97/x
  3. Step 3: Cross multiply
    353,503.28x = 530,337.96 × 116,845.97
  4. Step 4: Simplify right side
    353,503.28x = 61,967,850,712.33
  5. Step 5: Solve for x
    x = 61,967,850,712.33/353,503.28
  6. Step 6: Final answer
    x = 175,296.40

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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.