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Finding the Fourth Proportional to 322,314.98, 483,475.35 and 132,730.34

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Solution

The fourth proportional to 322,314.98, 483,475.35 and 132,730.34 is: 199,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,314.98 : 483,475.35 = 132,730.34 : x
  2. Step 2: Convert to fraction form
    322,314.98/483,475.35 = 132,730.34/x
  3. Step 3: Cross multiply
    322,314.98x = 483,475.35 × 132,730.34
  4. Step 4: Simplify right side
    322,314.98x = 64,171,847,587.12
  5. Step 5: Solve for x
    x = 64,171,847,587.12/322,314.98
  6. Step 6: Final answer
    x = 199,096.70

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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.