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Finding the Fourth Proportional to 275,186.40, 412,779.60 and 248,614.35

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Solution

The fourth proportional to 275,186.40, 412,779.60 and 248,614.35 is: 372,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,186.40 : 412,779.60 = 248,614.35 : x
  2. Step 2: Convert to fraction form
    275,186.40/412,779.60 = 248,614.35/x
  3. Step 3: Cross multiply
    275,186.40x = 412,779.60 × 248,614.35
  4. Step 4: Simplify right side
    275,186.40x = 102,622,931,947.26
  5. Step 5: Solve for x
    x = 102,622,931,947.26/275,186.40
  6. Step 6: Final answer
    x = 372,921.53

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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.