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Finding the Fourth Proportional to 554,973.42, 765,863.27 and 300,324.61

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Solution

The fourth proportional to 554,973.42, 765,863.27 and 300,324.61 is: 414,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,973.42 : 765,863.27 = 300,324.61 : x
  2. Step 2: Convert to fraction form
    554,973.42/765,863.27 = 300,324.61/x
  3. Step 3: Cross multiply
    554,973.42x = 765,863.27 × 300,324.61
  4. Step 4: Simplify right side
    554,973.42x = 230,007,588,458.00
  5. Step 5: Solve for x
    x = 230,007,588,458.00/554,973.42
  6. Step 6: Final answer
    x = 414,447.93

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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.