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Finding the Fourth Proportional to 329,269.34, 454,391.70 and 178,366.34

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Solution

The fourth proportional to 329,269.34, 454,391.70 and 178,366.34 is: 246,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,269.34 : 454,391.70 = 178,366.34 : x
  2. Step 2: Convert to fraction form
    329,269.34/454,391.70 = 178,366.34/x
  3. Step 3: Cross multiply
    329,269.34x = 454,391.70 × 178,366.34
  4. Step 4: Simplify right side
    329,269.34x = 81,048,184,455.38
  5. Step 5: Solve for x
    x = 81,048,184,455.38/329,269.34
  6. Step 6: Final answer
    x = 246,145.56

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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.