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Finding the Fourth Proportional to 374,930.67, 562,454.31 and 122,152.32

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Solution

The fourth proportional to 374,930.67, 562,454.31 and 122,152.32 is: 183,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,930.67 : 562,454.31 = 122,152.32 : x
  2. Step 2: Convert to fraction form
    374,930.67/562,454.31 = 122,152.32/x
  3. Step 3: Cross multiply
    374,930.67x = 562,454.31 × 122,152.32
  4. Step 4: Simplify right side
    374,930.67x = 68,705,099,318.57
  5. Step 5: Solve for x
    x = 68,705,099,318.57/374,930.67
  6. Step 6: Final answer
    x = 183,247.48

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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.