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Finding the Fourth Proportional to 366,690.84, 506,034.30 and 213,717.48

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Solution

The fourth proportional to 366,690.84, 506,034.30 and 213,717.48 is: 294,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,690.84 : 506,034.30 = 213,717.48 : x
  2. Step 2: Convert to fraction form
    366,690.84/506,034.30 = 213,717.48/x
  3. Step 3: Cross multiply
    366,690.84x = 506,034.30 × 213,717.48
  4. Step 4: Simplify right side
    366,690.84x = 108,148,375,389.56
  5. Step 5: Solve for x
    x = 108,148,375,389.56/366,690.84
  6. Step 6: Final answer
    x = 294,930.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.