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Finding the Fourth Proportional to 554,448.26, 765,302.22 and 325,055.20

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Solution

The fourth proportional to 554,448.26, 765,302.22 and 325,055.20 is: 448,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,448.26 : 765,302.22 = 325,055.20 : x
  2. Step 2: Convert to fraction form
    554,448.26/765,302.22 = 325,055.20/x
  3. Step 3: Cross multiply
    554,448.26x = 765,302.22 × 325,055.20
  4. Step 4: Simplify right side
    554,448.26x = 248,765,466,182.54
  5. Step 5: Solve for x
    x = 248,765,466,182.54/554,448.26
  6. Step 6: Final answer
    x = 448,672.10

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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.