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Finding the Fourth Proportional to 482,339.14, 665,856.57 and 321,462.34

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Solution

The fourth proportional to 482,339.14, 665,856.57 and 321,462.34 is: 443,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,339.14 : 665,856.57 = 321,462.34 : x
  2. Step 2: Convert to fraction form
    482,339.14/665,856.57 = 321,462.34/x
  3. Step 3: Cross multiply
    482,339.14x = 665,856.57 × 321,462.34
  4. Step 4: Simplify right side
    482,339.14x = 214,047,811,096.57
  5. Step 5: Solve for x
    x = 214,047,811,096.57/482,339.14
  6. Step 6: Final answer
    x = 443,770.35

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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.