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Finding the Fourth Proportional to 329,223.45, 454,304.79 and 193,262.94

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Solution

The fourth proportional to 329,223.45, 454,304.79 and 193,262.94 is: 266,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,223.45 : 454,304.79 = 193,262.94 : x
  2. Step 2: Convert to fraction form
    329,223.45/454,304.79 = 193,262.94/x
  3. Step 3: Cross multiply
    329,223.45x = 454,304.79 × 193,262.94
  4. Step 4: Simplify right side
    329,223.45x = 87,800,279,371.48
  5. Step 5: Solve for x
    x = 87,800,279,371.48/329,223.45
  6. Step 6: Final answer
    x = 266,689.02

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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.