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Finding the Fourth Proportional to 329,960.76, 455,345.88 and 179,057.76

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Solution

The fourth proportional to 329,960.76, 455,345.88 and 179,057.76 is: 247,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,960.76 : 455,345.88 = 179,057.76 : x
  2. Step 2: Convert to fraction form
    329,960.76/455,345.88 = 179,057.76/x
  3. Step 3: Cross multiply
    329,960.76x = 455,345.88 × 179,057.76
  4. Step 4: Simplify right side
    329,960.76x = 81,533,213,298.03
  5. Step 5: Solve for x
    x = 81,533,213,298.03/329,960.76
  6. Step 6: Final answer
    x = 247,099.73

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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.