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Finding the Fourth Proportional to 236,495.70, 354,743.55 and 231,830.10

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Solution

The fourth proportional to 236,495.70, 354,743.55 and 231,830.10 is: 347,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,495.70 : 354,743.55 = 231,830.10 : x
  2. Step 2: Convert to fraction form
    236,495.70/354,743.55 = 231,830.10/x
  3. Step 3: Cross multiply
    236,495.70x = 354,743.55 × 231,830.10
  4. Step 4: Simplify right side
    236,495.70x = 82,240,232,670.86
  5. Step 5: Solve for x
    x = 82,240,232,670.86/236,495.70
  6. Step 6: Final answer
    x = 347,745.15

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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.