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Finding the Fourth Proportional to 479,504.41, 661,712.84 and 264,644.48

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Solution

The fourth proportional to 479,504.41, 661,712.84 and 264,644.48 is: 365,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,504.41 : 661,712.84 = 264,644.48 : x
  2. Step 2: Convert to fraction form
    479,504.41/661,712.84 = 264,644.48/x
  3. Step 3: Cross multiply
    479,504.41x = 661,712.84 × 264,644.48
  4. Step 4: Simplify right side
    479,504.41x = 175,118,645,819.34
  5. Step 5: Solve for x
    x = 175,118,645,819.34/479,504.41
  6. Step 6: Final answer
    x = 365,207.58

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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.