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Finding the Fourth Proportional to 329,545.77, 494,318.66 and 104,905.23

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Solution

The fourth proportional to 329,545.77, 494,318.66 and 104,905.23 is: 157,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,545.77 : 494,318.66 = 104,905.23 : x
  2. Step 2: Convert to fraction form
    329,545.77/494,318.66 = 104,905.23/x
  3. Step 3: Cross multiply
    329,545.77x = 494,318.66 × 104,905.23
  4. Step 4: Simplify right side
    329,545.77x = 51,856,612,196.07
  5. Step 5: Solve for x
    x = 51,856,612,196.07/329,545.77
  6. Step 6: Final answer
    x = 157,357.85

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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.