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Finding the Fourth Proportional to 360,469.56, 497,442.80 and 199,321.06

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Solution

The fourth proportional to 360,469.56, 497,442.80 and 199,321.06 is: 275,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,469.56 : 497,442.80 = 199,321.06 : x
  2. Step 2: Convert to fraction form
    360,469.56/497,442.80 = 199,321.06/x
  3. Step 3: Cross multiply
    360,469.56x = 497,442.80 × 199,321.06
  4. Step 4: Simplify right side
    360,469.56x = 99,150,826,185.37
  5. Step 5: Solve for x
    x = 99,150,826,185.37/360,469.56
  6. Step 6: Final answer
    x = 275,060.19

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1.5x scale

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.