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Finding the Fourth Proportional to 384,516.52, 576,840.39 and 118,271.14

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Solution

The fourth proportional to 384,516.52, 576,840.39 and 118,271.14 is: 177,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,516.52 : 576,840.39 = 118,271.14 : x
  2. Step 2: Convert to fraction form
    384,516.52/576,840.39 = 118,271.14/x
  3. Step 3: Cross multiply
    384,516.52x = 576,840.39 × 118,271.14
  4. Step 4: Simplify right side
    384,516.52x = 68,223,568,637.73
  5. Step 5: Solve for x
    x = 68,223,568,637.73/384,516.52
  6. Step 6: Final answer
    x = 177,426.89

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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.