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Finding the Fourth Proportional to 555,180.69, 766,103.20 and 325,713.97

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Solution

The fourth proportional to 555,180.69, 766,103.20 and 325,713.97 is: 449,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,180.69 : 766,103.20 = 325,713.97 : x
  2. Step 2: Convert to fraction form
    555,180.69/766,103.20 = 325,713.97/x
  3. Step 3: Cross multiply
    555,180.69x = 766,103.20 × 325,713.97
  4. Step 4: Simplify right side
    555,180.69x = 249,530,510,871.19
  5. Step 5: Solve for x
    x = 249,530,510,871.19/555,180.69
  6. Step 6: Final answer
    x = 449,458.20

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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.