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Finding the Fourth Proportional to 325,412.40, 487,600.20 and 241,431.60

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Solution

The fourth proportional to 325,412.40, 487,600.20 and 241,431.60 is: 361,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,412.40 : 487,600.20 = 241,431.60 : x
  2. Step 2: Convert to fraction form
    325,412.40/487,600.20 = 241,431.60/x
  3. Step 3: Cross multiply
    325,412.40x = 487,600.20 × 241,431.60
  4. Step 4: Simplify right side
    325,412.40x = 117,722,096,446.32
  5. Step 5: Solve for x
    x = 117,722,096,446.32/325,412.40
  6. Step 6: Final answer
    x = 361,762.79

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1.5x scale

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.