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Finding the Fourth Proportional to 275,570.40, 412,664.40 and 181,567.20

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Solution

The fourth proportional to 275,570.40, 412,664.40 and 181,567.20 is: 271,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,570.40 : 412,664.40 = 181,567.20 : x
  2. Step 2: Convert to fraction form
    275,570.40/412,664.40 = 181,567.20/x
  3. Step 3: Cross multiply
    275,570.40x = 412,664.40 × 181,567.20
  4. Step 4: Simplify right side
    275,570.40x = 74,926,319,647.68
  5. Step 5: Solve for x
    x = 74,926,319,647.68/275,570.40
  6. Step 6: Final answer
    x = 271,895.38

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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.