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Finding the Fourth Proportional to 353,288.79, 529,853.54 and 100,563.67

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Solution

The fourth proportional to 353,288.79, 529,853.54 and 100,563.67 is: 150,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,288.79 : 529,853.54 = 100,563.67 : x
  2. Step 2: Convert to fraction form
    353,288.79/529,853.54 = 100,563.67/x
  3. Step 3: Cross multiply
    353,288.79x = 529,853.54 × 100,563.67
  4. Step 4: Simplify right side
    353,288.79x = 53,284,013,895.62
  5. Step 5: Solve for x
    x = 53,284,013,895.62/353,288.79
  6. Step 6: Final answer
    x = 150,822.83

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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.