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Finding the Fourth Proportional to 329,438.67, 454,625.30 and 178,535.67

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Solution

The fourth proportional to 329,438.67, 454,625.30 and 178,535.67 is: 246,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,438.67 : 454,625.30 = 178,535.67 : x
  2. Step 2: Convert to fraction form
    329,438.67/454,625.30 = 178,535.67/x
  3. Step 3: Cross multiply
    329,438.67x = 454,625.30 × 178,535.67
  4. Step 4: Simplify right side
    329,438.67x = 81,166,831,641.77
  5. Step 5: Solve for x
    x = 81,166,831,641.77/329,438.67
  6. Step 6: Final answer
    x = 246,379.19

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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.