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Finding the Fourth Proportional to 329,423.63, 454,604.63 and 178,520.63

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Solution

The fourth proportional to 329,423.63, 454,604.63 and 178,520.63 is: 246,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,423.63 : 454,604.63 = 178,520.63 : x
  2. Step 2: Convert to fraction form
    329,423.63/454,604.63 = 178,520.63/x
  3. Step 3: Cross multiply
    329,423.63x = 454,604.63 × 178,520.63
  4. Step 4: Simplify right side
    329,423.63x = 81,156,301,782.89
  5. Step 5: Solve for x
    x = 81,156,301,782.89/329,423.63
  6. Step 6: Final answer
    x = 246,358.47

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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.