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Finding the Fourth Proportional to 298,730.45, 447,661.01 and 184,634.66

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Solution

The fourth proportional to 298,730.45, 447,661.01 and 184,634.66 is: 276,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,730.45 : 447,661.01 = 184,634.66 : x
  2. Step 2: Convert to fraction form
    298,730.45/447,661.01 = 184,634.66/x
  3. Step 3: Cross multiply
    298,730.45x = 447,661.01 × 184,634.66
  4. Step 4: Simplify right side
    298,730.45x = 82,653,738,376.61
  5. Step 5: Solve for x
    x = 82,653,738,376.61/298,730.45
  6. Step 6: Final answer
    x = 276,683.34

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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.