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Finding the Fourth Proportional to 306,037.80, 458,736.39 and 116,379.63

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Solution

The fourth proportional to 306,037.80, 458,736.39 and 116,379.63 is: 174,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,037.80 : 458,736.39 = 116,379.63 : x
  2. Step 2: Convert to fraction form
    306,037.80/458,736.39 = 116,379.63/x
  3. Step 3: Cross multiply
    306,037.80x = 458,736.39 × 116,379.63
  4. Step 4: Simplify right side
    306,037.80x = 53,387,571,335.74
  5. Step 5: Solve for x
    x = 53,387,571,335.74/306,037.80
  6. Step 6: Final answer
    x = 174,447.64

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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.