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Finding the Fourth Proportional to 301,021.42, 451,532.10 and 101,325.06

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Solution

The fourth proportional to 301,021.42, 451,532.10 and 101,325.06 is: 151,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,021.42 : 451,532.10 = 101,325.06 : x
  2. Step 2: Convert to fraction form
    301,021.42/451,532.10 = 101,325.06/x
  3. Step 3: Cross multiply
    301,021.42x = 451,532.10 × 101,325.06
  4. Step 4: Simplify right side
    301,021.42x = 45,751,517,124.43
  5. Step 5: Solve for x
    x = 45,751,517,124.43/301,021.42
  6. Step 6: Final answer
    x = 151,987.58

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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.