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Finding the Fourth Proportional to 397,287.10, 595,930.65 and 366,960.70

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Solution

The fourth proportional to 397,287.10, 595,930.65 and 366,960.70 is: 550,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,287.10 : 595,930.65 = 366,960.70 : x
  2. Step 2: Convert to fraction form
    397,287.10/595,930.65 = 366,960.70/x
  3. Step 3: Cross multiply
    397,287.10x = 595,930.65 × 366,960.70
  4. Step 4: Simplify right side
    397,287.10x = 218,683,128,475.46
  5. Step 5: Solve for x
    x = 218,683,128,475.46/397,287.10
  6. Step 6: Final answer
    x = 550,441.05

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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.