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Finding the Fourth Proportional to 301,586.56, 416,173.21 and 172,527.60

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Solution

The fourth proportional to 301,586.56, 416,173.21 and 172,527.60 is: 238,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,586.56 : 416,173.21 = 172,527.60 : x
  2. Step 2: Convert to fraction form
    301,586.56/416,173.21 = 172,527.60/x
  3. Step 3: Cross multiply
    301,586.56x = 416,173.21 × 172,527.60
  4. Step 4: Simplify right side
    301,586.56x = 71,801,365,105.60
  5. Step 5: Solve for x
    x = 71,801,365,105.60/301,586.56
  6. Step 6: Final answer
    x = 238,078.80

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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.