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Finding the Fourth Proportional to 306,179.22, 459,559.62 and 188,081.22

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Solution

The fourth proportional to 306,179.22, 459,559.62 and 188,081.22 is: 282,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,179.22 : 459,559.62 = 188,081.22 : x
  2. Step 2: Convert to fraction form
    306,179.22/459,559.62 = 188,081.22/x
  3. Step 3: Cross multiply
    306,179.22x = 459,559.62 × 188,081.22
  4. Step 4: Simplify right side
    306,179.22x = 86,434,533,992.34
  5. Step 5: Solve for x
    x = 86,434,533,992.34/306,179.22
  6. Step 6: Final answer
    x = 282,300.46

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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.