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Finding the Fourth Proportional to 484,601.42, 727,010.54 and 147,668.43

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Solution

The fourth proportional to 484,601.42, 727,010.54 and 147,668.43 is: 221,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,601.42 : 727,010.54 = 147,668.43 : x
  2. Step 2: Convert to fraction form
    484,601.42/727,010.54 = 147,668.43/x
  3. Step 3: Cross multiply
    484,601.42x = 727,010.54 × 147,668.43
  4. Step 4: Simplify right side
    484,601.42x = 107,356,507,576.96
  5. Step 5: Solve for x
    x = 107,356,507,576.96/484,601.42
  6. Step 6: Final answer
    x = 221,535.69

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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.