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Finding the Fourth Proportional to 329,597.55, 493,042.71 and 263,167.41

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Solution

The fourth proportional to 329,597.55, 493,042.71 and 263,167.41 is: 393,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,597.55 : 493,042.71 = 263,167.41 : x
  2. Step 2: Convert to fraction form
    329,597.55/493,042.71 = 263,167.41/x
  3. Step 3: Cross multiply
    329,597.55x = 493,042.71 × 263,167.41
  4. Step 4: Simplify right side
    329,597.55x = 129,752,773,010.08
  5. Step 5: Solve for x
    x = 129,752,773,010.08/329,597.55
  6. Step 6: Final answer
    x = 393,670.32

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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.