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Finding the Fourth Proportional to 554,791.35, 765,605.60 and 325,301.24

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Solution

The fourth proportional to 554,791.35, 765,605.60 and 325,301.24 is: 448,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,791.35 : 765,605.60 = 325,301.24 : x
  2. Step 2: Convert to fraction form
    554,791.35/765,605.60 = 325,301.24/x
  3. Step 3: Cross multiply
    554,791.35x = 765,605.60 × 325,301.24
  4. Step 4: Simplify right side
    554,791.35x = 249,052,446,796.29
  5. Step 5: Solve for x
    x = 249,052,446,796.29/554,791.35
  6. Step 6: Final answer
    x = 448,911.92

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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.