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Finding the Fourth Proportional to 245,077.10, 367,615.65 and 205,711.10

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Solution

The fourth proportional to 245,077.10, 367,615.65 and 205,711.10 is: 308,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,077.10 : 367,615.65 = 205,711.10 : x
  2. Step 2: Convert to fraction form
    245,077.10/367,615.65 = 205,711.10/x
  3. Step 3: Cross multiply
    245,077.10x = 367,615.65 × 205,711.10
  4. Step 4: Simplify right side
    245,077.10x = 75,622,619,738.72
  5. Step 5: Solve for x
    x = 75,622,619,738.72/245,077.10
  6. Step 6: Final answer
    x = 308,566.65

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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.