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Finding the Fourth Proportional to 329,047.45, 454,043.74 and 193,031.77

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Solution

The fourth proportional to 329,047.45, 454,043.74 and 193,031.77 is: 266,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,047.45 : 454,043.74 = 193,031.77 : x
  2. Step 2: Convert to fraction form
    329,047.45/454,043.74 = 193,031.77/x
  3. Step 3: Cross multiply
    329,047.45x = 454,043.74 × 193,031.77
  4. Step 4: Simplify right side
    329,047.45x = 87,644,866,789.62
  5. Step 5: Solve for x
    x = 87,644,866,789.62/329,047.45
  6. Step 6: Final answer
    x = 266,359.36

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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.