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Finding the Fourth Proportional to 441,514.30, 661,287.30 and 362,782.30

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Solution

The fourth proportional to 441,514.30, 661,287.30 and 362,782.30 is: 543,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,514.30 : 661,287.30 = 362,782.30 : x
  2. Step 2: Convert to fraction form
    441,514.30/661,287.30 = 362,782.30/x
  3. Step 3: Cross multiply
    441,514.30x = 661,287.30 × 362,782.30
  4. Step 4: Simplify right side
    441,514.30x = 239,903,327,654.79
  5. Step 5: Solve for x
    x = 239,903,327,654.79/441,514.30
  6. Step 6: Final answer
    x = 543,364.80

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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.