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Finding the Fourth Proportional to 298,369.62, 447,595.65 and 95,971.41

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Solution

The fourth proportional to 298,369.62, 447,595.65 and 95,971.41 is: 143,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,369.62 : 447,595.65 = 95,971.41 : x
  2. Step 2: Convert to fraction form
    298,369.62/447,595.65 = 95,971.41/x
  3. Step 3: Cross multiply
    298,369.62x = 447,595.65 × 95,971.41
  4. Step 4: Simplify right side
    298,369.62x = 42,956,385,640.37
  5. Step 5: Solve for x
    x = 42,956,385,640.37/298,369.62
  6. Step 6: Final answer
    x = 143,970.37

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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.