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Finding the Fourth Proportional to 329,313.68, 493,918.80 and 104,644.52

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Solution

The fourth proportional to 329,313.68, 493,918.80 and 104,644.52 is: 156,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,313.68 : 493,918.80 = 104,644.52 : x
  2. Step 2: Convert to fraction form
    329,313.68/493,918.80 = 104,644.52/x
  3. Step 3: Cross multiply
    329,313.68x = 493,918.80 × 104,644.52
  4. Step 4: Simplify right side
    329,313.68x = 51,685,895,744.98
  5. Step 5: Solve for x
    x = 51,685,895,744.98/329,313.68
  6. Step 6: Final answer
    x = 156,950.35

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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.