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Finding the Fourth Proportional to 614,845, 848,486.10 and 332,221

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Solution

The fourth proportional to 614,845, 848,486.10 and 332,221 is: 458,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,845 : 848,486.10 = 332,221 : x
  2. Step 2: Convert to fraction form
    614,845/848,486.10 = 332,221/x
  3. Step 3: Cross multiply
    614,845x = 848,486.10 × 332,221
  4. Step 4: Simplify right side
    614,845x = 281,884,900,628.10
  5. Step 5: Solve for x
    x = 281,884,900,628.10/614,845
  6. Step 6: Final answer
    x = 458,464.98

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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.