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Finding the Fourth Proportional to 295,628.94, 443,309.76 and 137,902.50

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Solution

The fourth proportional to 295,628.94, 443,309.76 and 137,902.50 is: 206,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,628.94 : 443,309.76 = 137,902.50 : x
  2. Step 2: Convert to fraction form
    295,628.94/443,309.76 = 137,902.50/x
  3. Step 3: Cross multiply
    295,628.94x = 443,309.76 × 137,902.50
  4. Step 4: Simplify right side
    295,628.94x = 61,133,524,178.40
  5. Step 5: Solve for x
    x = 61,133,524,178.40/295,628.94
  6. Step 6: Final answer
    x = 206,791.41

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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.