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Finding the Fourth Proportional to 581,614.81, 872,422.41 and 182,286.56

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Solution

The fourth proportional to 581,614.81, 872,422.41 and 182,286.56 is: 273,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,614.81 : 872,422.41 = 182,286.56 : x
  2. Step 2: Convert to fraction form
    581,614.81/872,422.41 = 182,286.56/x
  3. Step 3: Cross multiply
    581,614.81x = 872,422.41 × 182,286.56
  4. Step 4: Simplify right side
    581,614.81x = 159,030,879,985.81
  5. Step 5: Solve for x
    x = 159,030,879,985.81/581,614.81
  6. Step 6: Final answer
    x = 273,429.90

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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.