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Finding the Fourth Proportional to 329,085.39, 493,628.07 and 79,767.39

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Solution

The fourth proportional to 329,085.39, 493,628.07 and 79,767.39 is: 119,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,085.39 : 493,628.07 = 79,767.39 : x
  2. Step 2: Convert to fraction form
    329,085.39/493,628.07 = 79,767.39/x
  3. Step 3: Cross multiply
    329,085.39x = 493,628.07 × 79,767.39
  4. Step 4: Simplify right side
    329,085.39x = 39,375,422,774.64
  5. Step 5: Solve for x
    x = 39,375,422,774.64/329,085.39
  6. Step 6: Final answer
    x = 119,651.08

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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.