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Finding the Fourth Proportional to 336,508.95, 504,766.59 and 99,851.67

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Solution

The fourth proportional to 336,508.95, 504,766.59 and 99,851.67 is: 149,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,508.95 : 504,766.59 = 99,851.67 : x
  2. Step 2: Convert to fraction form
    336,508.95/504,766.59 = 99,851.67/x
  3. Step 3: Cross multiply
    336,508.95x = 504,766.59 × 99,851.67
  4. Step 4: Simplify right side
    336,508.95x = 50,401,786,971.71
  5. Step 5: Solve for x
    x = 50,401,786,971.71/336,508.95
  6. Step 6: Final answer
    x = 149,778.44

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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.