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Finding the Fourth Proportional to 329,676.62, 454,963.64 and 186,433.79

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Solution

The fourth proportional to 329,676.62, 454,963.64 and 186,433.79 is: 257,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,676.62 : 454,963.64 = 186,433.79 : x
  2. Step 2: Convert to fraction form
    329,676.62/454,963.64 = 186,433.79/x
  3. Step 3: Cross multiply
    329,676.62x = 454,963.64 × 186,433.79
  4. Step 4: Simplify right side
    329,676.62x = 84,820,592,510.41
  5. Step 5: Solve for x
    x = 84,820,592,510.41/329,676.62
  6. Step 6: Final answer
    x = 257,284.23

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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.