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Finding the Fourth Proportional to 505,269.22, 758,299.72 and 352,472.44

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Solution

The fourth proportional to 505,269.22, 758,299.72 and 352,472.44 is: 528,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,269.22 : 758,299.72 = 352,472.44 : x
  2. Step 2: Convert to fraction form
    505,269.22/758,299.72 = 352,472.44/x
  3. Step 3: Cross multiply
    505,269.22x = 758,299.72 × 352,472.44
  4. Step 4: Simplify right side
    505,269.22x = 267,279,748,768.22
  5. Step 5: Solve for x
    x = 267,279,748,768.22/505,269.22
  6. Step 6: Final answer
    x = 528,984.83

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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.