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Finding the Fourth Proportional to 626,182.49, 864,134.33 and 339,704.60

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Solution

The fourth proportional to 626,182.49, 864,134.33 and 339,704.60 is: 468,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,182.49 : 864,134.33 = 339,704.60 : x
  2. Step 2: Convert to fraction form
    626,182.49/864,134.33 = 339,704.60/x
  3. Step 3: Cross multiply
    626,182.49x = 864,134.33 × 339,704.60
  4. Step 4: Simplify right side
    626,182.49x = 293,550,400,899.72
  5. Step 5: Solve for x
    x = 293,550,400,899.72/626,182.49
  6. Step 6: Final answer
    x = 468,793.69

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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.