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Finding the Fourth Proportional to 329,513.67, 454,729.95 and 178,610.67

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Solution

The fourth proportional to 329,513.67, 454,729.95 and 178,610.67 is: 246,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,513.67 : 454,729.95 = 178,610.67 : x
  2. Step 2: Convert to fraction form
    329,513.67/454,729.95 = 178,610.67/x
  3. Step 3: Cross multiply
    329,513.67x = 454,729.95 × 178,610.67
  4. Step 4: Simplify right side
    329,513.67x = 81,219,621,038.57
  5. Step 5: Solve for x
    x = 81,219,621,038.57/329,513.67
  6. Step 6: Final answer
    x = 246,483.31

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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.