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Finding the Fourth Proportional to 298,807.43, 448,255.29 and 96,335.85

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Solution

The fourth proportional to 298,807.43, 448,255.29 and 96,335.85 is: 144,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,807.43 : 448,255.29 = 96,335.85 : x
  2. Step 2: Convert to fraction form
    298,807.43/448,255.29 = 96,335.85/x
  3. Step 3: Cross multiply
    298,807.43x = 448,255.29 × 96,335.85
  4. Step 4: Simplify right side
    298,807.43x = 43,183,054,379.15
  5. Step 5: Solve for x
    x = 43,183,054,379.15/298,807.43
  6. Step 6: Final answer
    x = 144,518.01

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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.