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Finding the Fourth Proportional to 554,361.16, 765,020.26 and 299,714.16

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Solution

The fourth proportional to 554,361.16, 765,020.26 and 299,714.16 is: 413,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,361.16 : 765,020.26 = 299,714.16 : x
  2. Step 2: Convert to fraction form
    554,361.16/765,020.26 = 299,714.16/x
  3. Step 3: Cross multiply
    554,361.16x = 765,020.26 × 299,714.16
  4. Step 4: Simplify right side
    554,361.16x = 229,287,404,608.88
  5. Step 5: Solve for x
    x = 229,287,404,608.88/554,361.16
  6. Step 6: Final answer
    x = 413,606.55

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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.