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Finding the Fourth Proportional to 298,002.15, 447,003.23 and 73,360.80

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Solution

The fourth proportional to 298,002.15, 447,003.23 and 73,360.80 is: 110,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,002.15 : 447,003.23 = 73,360.80 : x
  2. Step 2: Convert to fraction form
    298,002.15/447,003.23 = 73,360.80/x
  3. Step 3: Cross multiply
    298,002.15x = 447,003.23 × 73,360.80
  4. Step 4: Simplify right side
    298,002.15x = 32,792,514,188.58
  5. Step 5: Solve for x
    x = 32,792,514,188.58/298,002.15
  6. Step 6: Final answer
    x = 110,041.20

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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.