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Finding the Fourth Proportional to 325,440.72, 488,234.72 and 175,677.80

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Solution

The fourth proportional to 325,440.72, 488,234.72 and 175,677.80 is: 263,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,440.72 : 488,234.72 = 175,677.80 : x
  2. Step 2: Convert to fraction form
    325,440.72/488,234.72 = 175,677.80/x
  3. Step 3: Cross multiply
    325,440.72x = 488,234.72 × 175,677.80
  4. Step 4: Simplify right side
    325,440.72x = 85,772,001,493.22
  5. Step 5: Solve for x
    x = 85,772,001,493.22/325,440.72
  6. Step 6: Final answer
    x = 263,556.45

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1.5x scale

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.