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Finding the Fourth Proportional to 329,705.70, 494,558.55 and 327,737.40

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Solution

The fourth proportional to 329,705.70, 494,558.55 and 327,737.40 is: 491,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,705.70 : 494,558.55 = 327,737.40 : x
  2. Step 2: Convert to fraction form
    329,705.70/494,558.55 = 327,737.40/x
  3. Step 3: Cross multiply
    329,705.70x = 494,558.55 × 327,737.40
  4. Step 4: Simplify right side
    329,705.70x = 162,085,333,324.77
  5. Step 5: Solve for x
    x = 162,085,333,324.77/329,705.70
  6. Step 6: Final answer
    x = 491,606.10

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1.5x scale

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.