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Finding the Fourth Proportional to 450,668.34, 622,123.30 and 297,801.90

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Solution

The fourth proportional to 450,668.34, 622,123.30 and 297,801.90 is: 411,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,668.34 : 622,123.30 = 297,801.90 : x
  2. Step 2: Convert to fraction form
    450,668.34/622,123.30 = 297,801.90/x
  3. Step 3: Cross multiply
    450,668.34x = 622,123.30 × 297,801.90
  4. Step 4: Simplify right side
    450,668.34x = 185,269,500,774.27
  5. Step 5: Solve for x
    x = 185,269,500,774.27/450,668.34
  6. Step 6: Final answer
    x = 411,099.44

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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.