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Finding the Fourth Proportional to 439,374.64, 658,609.44 and 173,027.20

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Solution

The fourth proportional to 439,374.64, 658,609.44 and 173,027.20 is: 259,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,374.64 : 658,609.44 = 173,027.20 : x
  2. Step 2: Convert to fraction form
    439,374.64/658,609.44 = 173,027.20/x
  3. Step 3: Cross multiply
    439,374.64x = 658,609.44 × 173,027.20
  4. Step 4: Simplify right side
    439,374.64x = 113,957,347,296.77
  5. Step 5: Solve for x
    x = 113,957,347,296.77/439,374.64
  6. Step 6: Final answer
    x = 259,362.60

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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.