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Finding the Fourth Proportional to 294,527.70, 441,791.55 and 154,268.10

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Solution

The fourth proportional to 294,527.70, 441,791.55 and 154,268.10 is: 231,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,527.70 : 441,791.55 = 154,268.10 : x
  2. Step 2: Convert to fraction form
    294,527.70/441,791.55 = 154,268.10/x
  3. Step 3: Cross multiply
    294,527.70x = 441,791.55 × 154,268.10
  4. Step 4: Simplify right side
    294,527.70x = 68,154,343,014.56
  5. Step 5: Solve for x
    x = 68,154,343,014.56/294,527.70
  6. Step 6: Final answer
    x = 231,402.15

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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.