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Finding the Fourth Proportional to 329,029.60, 493,544.40 and 204,613.60

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Solution

The fourth proportional to 329,029.60, 493,544.40 and 204,613.60 is: 306,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,029.60 : 493,544.40 = 204,613.60 : x
  2. Step 2: Convert to fraction form
    329,029.60/493,544.40 = 204,613.60/x
  3. Step 3: Cross multiply
    329,029.60x = 493,544.40 × 204,613.60
  4. Step 4: Simplify right side
    329,029.60x = 100,985,896,443.84
  5. Step 5: Solve for x
    x = 100,985,896,443.84/329,029.60
  6. Step 6: Final answer
    x = 306,920.40

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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.