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Finding the Fourth Proportional to 298,992.44, 448,483.80 and 141,334.04

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Solution

The fourth proportional to 298,992.44, 448,483.80 and 141,334.04 is: 211,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,992.44 : 448,483.80 = 141,334.04 : x
  2. Step 2: Convert to fraction form
    298,992.44/448,483.80 = 141,334.04/x
  3. Step 3: Cross multiply
    298,992.44x = 448,483.80 × 141,334.04
  4. Step 4: Simplify right side
    298,992.44x = 63,386,027,328.55
  5. Step 5: Solve for x
    x = 63,386,027,328.55/298,992.44
  6. Step 6: Final answer
    x = 211,998.76

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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.