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Finding the Fourth Proportional to 574,645.98, 861,969.45 and 180,661.98

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Solution

The fourth proportional to 574,645.98, 861,969.45 and 180,661.98 is: 270,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,645.98 : 861,969.45 = 180,661.98 : x
  2. Step 2: Convert to fraction form
    574,645.98/861,969.45 = 180,661.98/x
  3. Step 3: Cross multiply
    574,645.98x = 861,969.45 × 180,661.98
  4. Step 4: Simplify right side
    574,645.98x = 155,725,107,536.51
  5. Step 5: Solve for x
    x = 155,725,107,536.51/574,645.98
  6. Step 6: Final answer
    x = 270,993.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.