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Finding the Fourth Proportional to 336,306.03, 504,460.86 and 99,650.76

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Solution

The fourth proportional to 336,306.03, 504,460.86 and 99,650.76 is: 149,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,306.03 : 504,460.86 = 99,650.76 : x
  2. Step 2: Convert to fraction form
    336,306.03/504,460.86 = 99,650.76/x
  3. Step 3: Cross multiply
    336,306.03x = 504,460.86 × 99,650.76
  4. Step 4: Simplify right side
    336,306.03x = 50,269,906,384.37
  5. Step 5: Solve for x
    x = 50,269,906,384.37/336,306.03
  6. Step 6: Final answer
    x = 149,476.67

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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.