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Finding the Fourth Proportional to 298,273.88, 411,549.74 and 169,181.51

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Solution

The fourth proportional to 298,273.88, 411,549.74 and 169,181.51 is: 233,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,273.88 : 411,549.74 = 169,181.51 : x
  2. Step 2: Convert to fraction form
    298,273.88/411,549.74 = 169,181.51/x
  3. Step 3: Cross multiply
    298,273.88x = 411,549.74 × 169,181.51
  4. Step 4: Simplify right side
    298,273.88x = 69,626,603,549.65
  5. Step 5: Solve for x
    x = 69,626,603,549.65/298,273.88
  6. Step 6: Final answer
    x = 233,431.79

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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.