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Finding the Fourth Proportional to 329,702.52, 494,484.59 and 92,989.85

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Solution

The fourth proportional to 329,702.52, 494,484.59 and 92,989.85 is: 139,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,702.52 : 494,484.59 = 92,989.85 : x
  2. Step 2: Convert to fraction form
    329,702.52/494,484.59 = 92,989.85/x
  3. Step 3: Cross multiply
    329,702.52x = 494,484.59 × 92,989.85
  4. Step 4: Simplify right side
    329,702.52x = 45,982,044,914.04
  5. Step 5: Solve for x
    x = 45,982,044,914.04/329,702.52
  6. Step 6: Final answer
    x = 139,465.25

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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.