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Finding the Fourth Proportional to 301,498.56, 452,251.56 and 76,858.92

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Solution

The fourth proportional to 301,498.56, 452,251.56 and 76,858.92 is: 115,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,498.56 : 452,251.56 = 76,858.92 : x
  2. Step 2: Convert to fraction form
    301,498.56/452,251.56 = 76,858.92/x
  3. Step 3: Cross multiply
    301,498.56x = 452,251.56 × 76,858.92
  4. Step 4: Simplify right side
    301,498.56x = 34,759,566,469.92
  5. Step 5: Solve for x
    x = 34,759,566,469.92/301,498.56
  6. Step 6: Final answer
    x = 115,289.33

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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.