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Finding the Fourth Proportional to 529,629.41, 730,873.22 and 300,207.84

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Solution

The fourth proportional to 529,629.41, 730,873.22 and 300,207.84 is: 414,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,629.41 : 730,873.22 = 300,207.84 : x
  2. Step 2: Convert to fraction form
    529,629.41/730,873.22 = 300,207.84/x
  3. Step 3: Cross multiply
    529,629.41x = 730,873.22 × 300,207.84
  4. Step 4: Simplify right side
    529,629.41x = 219,413,869,189.01
  5. Step 5: Solve for x
    x = 219,413,869,189.01/529,629.41
  6. Step 6: Final answer
    x = 414,278.11

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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.