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Finding the Fourth Proportional to 648,373.44, 971,894.88 and 248,906.64

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Solution

The fourth proportional to 648,373.44, 971,894.88 and 248,906.64 is: 373,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,373.44 : 971,894.88 = 248,906.64 : x
  2. Step 2: Convert to fraction form
    648,373.44/971,894.88 = 248,906.64/x
  3. Step 3: Cross multiply
    648,373.44x = 971,894.88 × 248,906.64
  4. Step 4: Simplify right side
    648,373.44x = 241,911,089,014.00
  5. Step 5: Solve for x
    x = 241,911,089,014.00/648,373.44
  6. Step 6: Final answer
    x = 373,104.56

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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.