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Finding the Fourth Proportional to 336,515.72, 463,446.78 and 329,167.40

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Solution

The fourth proportional to 336,515.72, 463,446.78 and 329,167.40 is: 453,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,515.72 : 463,446.78 = 329,167.40 : x
  2. Step 2: Convert to fraction form
    336,515.72/463,446.78 = 329,167.40/x
  3. Step 3: Cross multiply
    336,515.72x = 463,446.78 × 329,167.40
  4. Step 4: Simplify right side
    336,515.72x = 152,551,571,610.97
  5. Step 5: Solve for x
    x = 152,551,571,610.97/336,515.72
  6. Step 6: Final answer
    x = 453,326.73

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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.