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Finding the Fourth Proportional to 303,425.40, 452,830.90 and 269,796.03

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Solution

The fourth proportional to 303,425.40, 452,830.90 and 269,796.03 is: 402,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,425.40 : 452,830.90 = 269,796.03 : x
  2. Step 2: Convert to fraction form
    303,425.40/452,830.90 = 269,796.03/x
  3. Step 3: Cross multiply
    303,425.40x = 452,830.90 × 269,796.03
  4. Step 4: Simplify right side
    303,425.40x = 122,171,979,081.33
  5. Step 5: Solve for x
    x = 122,171,979,081.33/303,425.40
  6. Step 6: Final answer
    x = 402,642.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.