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Finding the Fourth Proportional to 244,078.80, 366,336.90 and 210,836.40

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Solution

The fourth proportional to 244,078.80, 366,336.90 and 210,836.40 is: 316,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,078.80 : 366,336.90 = 210,836.40 : x
  2. Step 2: Convert to fraction form
    244,078.80/366,336.90 = 210,836.40/x
  3. Step 3: Cross multiply
    244,078.80x = 366,336.90 × 210,836.40
  4. Step 4: Simplify right side
    244,078.80x = 77,237,153,183.16
  5. Step 5: Solve for x
    x = 77,237,153,183.16/244,078.80
  6. Step 6: Final answer
    x = 316,443.51

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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.