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Finding the Fourth Proportional to 300,534.44, 450,697.86 and 87,244.52

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Solution

The fourth proportional to 300,534.44, 450,697.86 and 87,244.52 is: 130,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,534.44 : 450,697.86 = 87,244.52 : x
  2. Step 2: Convert to fraction form
    300,534.44/450,697.86 = 87,244.52/x
  3. Step 3: Cross multiply
    300,534.44x = 450,697.86 × 87,244.52
  4. Step 4: Simplify right side
    300,534.44x = 39,320,916,207.24
  5. Step 5: Solve for x
    x = 39,320,916,207.24/300,534.44
  6. Step 6: Final answer
    x = 130,836.64

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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.