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Finding the Fourth Proportional to 446,291.10, 667,492.65 and 399,246.30

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Solution

The fourth proportional to 446,291.10, 667,492.65 and 399,246.30 is: 597,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,291.10 : 667,492.65 = 399,246.30 : x
  2. Step 2: Convert to fraction form
    446,291.10/667,492.65 = 399,246.30/x
  3. Step 3: Cross multiply
    446,291.10x = 667,492.65 × 399,246.30
  4. Step 4: Simplify right side
    446,291.10x = 266,493,970,789.70
  5. Step 5: Solve for x
    x = 266,493,970,789.70/446,291.10
  6. Step 6: Final answer
    x = 597,130.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.