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Finding the Fourth Proportional to 344,216.40, 516,324.60 and 309,224.40

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Solution

The fourth proportional to 344,216.40, 516,324.60 and 309,224.40 is: 463,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,216.40 : 516,324.60 = 309,224.40 : x
  2. Step 2: Convert to fraction form
    344,216.40/516,324.60 = 309,224.40/x
  3. Step 3: Cross multiply
    344,216.40x = 516,324.60 × 309,224.40
  4. Step 4: Simplify right side
    344,216.40x = 159,660,164,640.24
  5. Step 5: Solve for x
    x = 159,660,164,640.24/344,216.40
  6. Step 6: Final answer
    x = 463,836.60

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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.