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Finding the Fourth Proportional to 329,896.80, 445,710.60 and 329,896.80

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Solution

The fourth proportional to 329,896.80, 445,710.60 and 329,896.80 is: 445,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,896.80 : 445,710.60 = 329,896.80 : x
  2. Step 2: Convert to fraction form
    329,896.80/445,710.60 = 329,896.80/x
  3. Step 3: Cross multiply
    329,896.80x = 445,710.60 × 329,896.80
  4. Step 4: Simplify right side
    329,896.80x = 147,038,500,666.08
  5. Step 5: Solve for x
    x = 147,038,500,666.08/329,896.80
  6. Step 6: Final answer
    x = 445,710.60

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.