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Finding the Fourth Proportional to 339,580.92, 468,624.44 and 212,330.28

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Solution

The fourth proportional to 339,580.92, 468,624.44 and 212,330.28 is: 293,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,580.92 : 468,624.44 = 212,330.28 : x
  2. Step 2: Convert to fraction form
    339,580.92/468,624.44 = 212,330.28/x
  3. Step 3: Cross multiply
    339,580.92x = 468,624.44 × 212,330.28
  4. Step 4: Simplify right side
    339,580.92x = 99,503,158,560.04
  5. Step 5: Solve for x
    x = 99,503,158,560.04/339,580.92
  6. Step 6: Final answer
    x = 293,017.52

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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.