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Finding the Fourth Proportional to 365,676.90, 503,199.45 and 323,336.58

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Solution

The fourth proportional to 365,676.90, 503,199.45 and 323,336.58 is: 444,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,676.90 : 503,199.45 = 323,336.58 : x
  2. Step 2: Convert to fraction form
    365,676.90/503,199.45 = 323,336.58/x
  3. Step 3: Cross multiply
    365,676.90x = 503,199.45 × 323,336.58
  4. Step 4: Simplify right side
    365,676.90x = 162,702,789,220.88
  5. Step 5: Solve for x
    x = 162,702,789,220.88/365,676.90
  6. Step 6: Final answer
    x = 444,935.92

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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.