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Finding the Fourth Proportional to 484,415.91, 726,673.41 and 185,148.38

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Solution

The fourth proportional to 484,415.91, 726,673.41 and 185,148.38 is: 277,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,415.91 : 726,673.41 = 185,148.38 : x
  2. Step 2: Convert to fraction form
    484,415.91/726,673.41 = 185,148.38/x
  3. Step 3: Cross multiply
    484,415.91x = 726,673.41 × 185,148.38
  4. Step 4: Simplify right side
    484,415.91x = 134,542,406,467.26
  5. Step 5: Solve for x
    x = 134,542,406,467.26/484,415.91
  6. Step 6: Final answer
    x = 277,741.51

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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.