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Finding the Fourth Proportional to 323,703.72, 482,028.84 and 320,165.64

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Solution

The fourth proportional to 323,703.72, 482,028.84 and 320,165.64 is: 476,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,703.72 : 482,028.84 = 320,165.64 : x
  2. Step 2: Convert to fraction form
    323,703.72/482,028.84 = 320,165.64/x
  3. Step 3: Cross multiply
    323,703.72x = 482,028.84 × 320,165.64
  4. Step 4: Simplify right side
    323,703.72x = 154,329,072,057.06
  5. Step 5: Solve for x
    x = 154,329,072,057.06/323,703.72
  6. Step 6: Final answer
    x = 476,760.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.