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Finding the Fourth Proportional to 374,490.30, 562,087.80 and 197,124.60

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Solution

The fourth proportional to 374,490.30, 562,087.80 and 197,124.60 is: 295,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,490.30 : 562,087.80 = 197,124.60 : x
  2. Step 2: Convert to fraction form
    374,490.30/562,087.80 = 197,124.60/x
  3. Step 3: Cross multiply
    374,490.30x = 562,087.80 × 197,124.60
  4. Step 4: Simplify right side
    374,490.30x = 110,801,332,739.88
  5. Step 5: Solve for x
    x = 110,801,332,739.88/374,490.30
  6. Step 6: Final answer
    x = 295,872.37

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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.