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Finding the Fourth Proportional to 329,596.96, 454,676.88 and 208,534.36

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Solution

The fourth proportional to 329,596.96, 454,676.88 and 208,534.36 is: 287,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,596.96 : 454,676.88 = 208,534.36 : x
  2. Step 2: Convert to fraction form
    329,596.96/454,676.88 = 208,534.36/x
  3. Step 3: Cross multiply
    329,596.96x = 454,676.88 × 208,534.36
  4. Step 4: Simplify right side
    329,596.96x = 94,815,752,177.60
  5. Step 5: Solve for x
    x = 94,815,752,177.60/329,596.96
  6. Step 6: Final answer
    x = 287,671.80

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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.