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Finding the Fourth Proportional to 329,950.08, 455,328 and 179,043.84

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Solution

The fourth proportional to 329,950.08, 455,328 and 179,043.84 is: 247,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,950.08 : 455,328 = 179,043.84 : x
  2. Step 2: Convert to fraction form
    329,950.08/455,328 = 179,043.84/x
  3. Step 3: Cross multiply
    329,950.08x = 455,328 × 179,043.84
  4. Step 4: Simplify right side
    329,950.08x = 81,523,673,579.52
  5. Step 5: Solve for x
    x = 81,523,673,579.52/329,950.08
  6. Step 6: Final answer
    x = 247,078.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.