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Finding the Fourth Proportional to 303,187.96, 455,097.40 and 223,316.12

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Solution

The fourth proportional to 303,187.96, 455,097.40 and 223,316.12 is: 335,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,187.96 : 455,097.40 = 223,316.12 : x
  2. Step 2: Convert to fraction form
    303,187.96/455,097.40 = 223,316.12/x
  3. Step 3: Cross multiply
    303,187.96x = 455,097.40 × 223,316.12
  4. Step 4: Simplify right side
    303,187.96x = 101,630,585,590.09
  5. Step 5: Solve for x
    x = 101,630,585,590.09/303,187.96
  6. Step 6: Final answer
    x = 335,206.54

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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.