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Finding the Fourth Proportional to 329,596.21, 454,675.84 and 208,533.61

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Solution

The fourth proportional to 329,596.21, 454,675.84 and 208,533.61 is: 287,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,596.21 : 454,675.84 = 208,533.61 : x
  2. Step 2: Convert to fraction form
    329,596.21/454,675.84 = 208,533.61/x
  3. Step 3: Cross multiply
    329,596.21x = 454,675.84 × 208,533.61
  4. Step 4: Simplify right side
    329,596.21x = 94,815,194,294.98
  5. Step 5: Solve for x
    x = 94,815,194,294.98/329,596.21
  6. Step 6: Final answer
    x = 287,670.77

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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.