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Finding the Fourth Proportional to 443,579.88, 612,152.82 and 247,350.84

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Solution

The fourth proportional to 443,579.88, 612,152.82 and 247,350.84 is: 341,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,579.88 : 612,152.82 = 247,350.84 : x
  2. Step 2: Convert to fraction form
    443,579.88/612,152.82 = 247,350.84/x
  3. Step 3: Cross multiply
    443,579.88x = 612,152.82 × 247,350.84
  4. Step 4: Simplify right side
    443,579.88x = 151,416,514,235.37
  5. Step 5: Solve for x
    x = 151,416,514,235.37/443,579.88
  6. Step 6: Final answer
    x = 341,351.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.