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Finding the Fourth Proportional to 297,007.40, 445,146.60 and 202,237.40

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Solution

The fourth proportional to 297,007.40, 445,146.60 and 202,237.40 is: 303,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,007.40 : 445,146.60 = 202,237.40 : x
  2. Step 2: Convert to fraction form
    297,007.40/445,146.60 = 202,237.40/x
  3. Step 3: Cross multiply
    297,007.40x = 445,146.60 × 202,237.40
  4. Step 4: Simplify right side
    297,007.40x = 90,025,291,002.84
  5. Step 5: Solve for x
    x = 90,025,291,002.84/297,007.40
  6. Step 6: Final answer
    x = 303,107.91

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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.