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Finding the Fourth Proportional to 298,467.08, 447,700.70 and 98,733.80

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Solution

The fourth proportional to 298,467.08, 447,700.70 and 98,733.80 is: 148,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,467.08 : 447,700.70 = 98,733.80 : x
  2. Step 2: Convert to fraction form
    298,467.08/447,700.70 = 98,733.80/x
  3. Step 3: Cross multiply
    298,467.08x = 447,700.70 × 98,733.80
  4. Step 4: Simplify right side
    298,467.08x = 44,203,191,373.66
  5. Step 5: Solve for x
    x = 44,203,191,373.66/298,467.08
  6. Step 6: Final answer
    x = 148,100.73

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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.