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Finding the Fourth Proportional to 354,297.41, 488,776.08 and 225,166.67

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Solution

The fourth proportional to 354,297.41, 488,776.08 and 225,166.67 is: 310,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,297.41 : 488,776.08 = 225,166.67 : x
  2. Step 2: Convert to fraction form
    354,297.41/488,776.08 = 225,166.67/x
  3. Step 3: Cross multiply
    354,297.41x = 488,776.08 × 225,166.67
  4. Step 4: Simplify right side
    354,297.41x = 110,056,079,865.37
  5. Step 5: Solve for x
    x = 110,056,079,865.37/354,297.41
  6. Step 6: Final answer
    x = 310,631.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.