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Finding the Fourth Proportional to 294,242.64, 441,806.81 and 168,025.38

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Solution

The fourth proportional to 294,242.64, 441,806.81 and 168,025.38 is: 252,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,242.64 : 441,806.81 = 168,025.38 : x
  2. Step 2: Convert to fraction form
    294,242.64/441,806.81 = 168,025.38/x
  3. Step 3: Cross multiply
    294,242.64x = 441,806.81 × 168,025.38
  4. Step 4: Simplify right side
    294,242.64x = 74,234,756,296.71
  5. Step 5: Solve for x
    x = 74,234,756,296.71/294,242.64
  6. Step 6: Final answer
    x = 252,290.95

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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.