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Finding the Fourth Proportional to 244,648.70, 366,973.05 and 213,544.70

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Solution

The fourth proportional to 244,648.70, 366,973.05 and 213,544.70 is: 320,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,648.70 : 366,973.05 = 213,544.70 : x
  2. Step 2: Convert to fraction form
    244,648.70/366,973.05 = 213,544.70/x
  3. Step 3: Cross multiply
    244,648.70x = 366,973.05 × 213,544.70
  4. Step 4: Simplify right side
    244,648.70x = 78,365,149,870.34
  5. Step 5: Solve for x
    x = 78,365,149,870.34/244,648.70
  6. Step 6: Final answer
    x = 320,317.05

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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.