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Finding the Fourth Proportional to 554,763.03, 765,594.68 and 325,288.41

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Solution

The fourth proportional to 554,763.03, 765,594.68 and 325,288.41 is: 448,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,763.03 : 765,594.68 = 325,288.41 : x
  2. Step 2: Convert to fraction form
    554,763.03/765,594.68 = 325,288.41/x
  3. Step 3: Cross multiply
    554,763.03x = 765,594.68 × 325,288.41
  4. Step 4: Simplify right side
    554,763.03x = 249,039,076,161.66
  5. Step 5: Solve for x
    x = 249,039,076,161.66/554,763.03
  6. Step 6: Final answer
    x = 448,910.73

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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.