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Finding the Fourth Proportional to 306,218.93, 459,338.72 and 235,249.43

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Solution

The fourth proportional to 306,218.93, 459,338.72 and 235,249.43 is: 352,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,218.93 : 459,338.72 = 235,249.43 : x
  2. Step 2: Convert to fraction form
    306,218.93/459,338.72 = 235,249.43/x
  3. Step 3: Cross multiply
    306,218.93x = 459,338.72 × 235,249.43
  4. Step 4: Simplify right side
    306,218.93x = 108,059,168,583.99
  5. Step 5: Solve for x
    x = 108,059,168,583.99/306,218.93
  6. Step 6: Final answer
    x = 352,882.07

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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.