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Finding the Fourth Proportional to 338,506.56, 504,733.50 and 329,206.34

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Solution

The fourth proportional to 338,506.56, 504,733.50 and 329,206.34 is: 490,866.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,506.56 : 504,733.50 = 329,206.34 : x
  2. Step 2: Convert to fraction form
    338,506.56/504,733.50 = 329,206.34/x
  3. Step 3: Cross multiply
    338,506.56x = 504,733.50 × 329,206.34
  4. Step 4: Simplify right side
    338,506.56x = 166,161,466,564.36
  5. Step 5: Solve for x
    x = 166,161,466,564.36/338,506.56
  6. Step 6: Final answer
    x = 490,866.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.