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Finding the Fourth Proportional to 296,898.60, 444,959.10 and 263,461.80

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Solution

The fourth proportional to 296,898.60, 444,959.10 and 263,461.80 is: 394,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,898.60 : 444,959.10 = 263,461.80 : x
  2. Step 2: Convert to fraction form
    296,898.60/444,959.10 = 263,461.80/x
  3. Step 3: Cross multiply
    296,898.60x = 444,959.10 × 263,461.80
  4. Step 4: Simplify right side
    296,898.60x = 117,229,725,412.38
  5. Step 5: Solve for x
    x = 117,229,725,412.38/296,898.60
  6. Step 6: Final answer
    x = 394,847.69

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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.