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Finding the Fourth Proportional to 294,932.57, 440,245.73 and 253,081.59

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Solution

The fourth proportional to 294,932.57, 440,245.73 and 253,081.59 is: 377,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,932.57 : 440,245.73 = 253,081.59 : x
  2. Step 2: Convert to fraction form
    294,932.57/440,245.73 = 253,081.59/x
  3. Step 3: Cross multiply
    294,932.57x = 440,245.73 × 253,081.59
  4. Step 4: Simplify right side
    294,932.57x = 111,418,087,646.99
  5. Step 5: Solve for x
    x = 111,418,087,646.99/294,932.57
  6. Step 6: Final answer
    x = 377,774.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.