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Finding the Fourth Proportional to 555,190.61, 766,168.33 and 325,751.81

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Solution

The fourth proportional to 555,190.61, 766,168.33 and 325,751.81 is: 449,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,190.61 : 766,168.33 = 325,751.81 : x
  2. Step 2: Convert to fraction form
    555,190.61/766,168.33 = 325,751.81/x
  3. Step 3: Cross multiply
    555,190.61x = 766,168.33 × 325,751.81
  4. Step 4: Simplify right side
    555,190.61x = 249,580,715,616.96
  5. Step 5: Solve for x
    x = 249,580,715,616.96/555,190.61
  6. Step 6: Final answer
    x = 449,540.59

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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.