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Finding the Fourth Proportional to 401,527.62, 554,098.56 and 220,237.94

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Solution

The fourth proportional to 401,527.62, 554,098.56 and 220,237.94 is: 303,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,527.62 : 554,098.56 = 220,237.94 : x
  2. Step 2: Convert to fraction form
    401,527.62/554,098.56 = 220,237.94/x
  3. Step 3: Cross multiply
    401,527.62x = 554,098.56 × 220,237.94
  4. Step 4: Simplify right side
    401,527.62x = 122,033,522,640.87
  5. Step 5: Solve for x
    x = 122,033,522,640.87/401,527.62
  6. Step 6: Final answer
    x = 303,923.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.