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Finding the Fourth Proportional to 329,063.77, 493,595.65 and 79,745.77

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Solution

The fourth proportional to 329,063.77, 493,595.65 and 79,745.77 is: 119,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,063.77 : 493,595.65 = 79,745.77 : x
  2. Step 2: Convert to fraction form
    329,063.77/493,595.65 = 79,745.77/x
  3. Step 3: Cross multiply
    329,063.77x = 493,595.65 × 79,745.77
  4. Step 4: Simplify right side
    329,063.77x = 39,362,162,893.82
  5. Step 5: Solve for x
    x = 39,362,162,893.82/329,063.77
  6. Step 6: Final answer
    x = 119,618.65

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Similar ratio
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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.