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Finding the Fourth Proportional to 283,604.70, 426,040.65 and 236,948.70

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Solution

The fourth proportional to 283,604.70, 426,040.65 and 236,948.70 is: 355,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,604.70 : 426,040.65 = 236,948.70 : x
  2. Step 2: Convert to fraction form
    283,604.70/426,040.65 = 236,948.70/x
  3. Step 3: Cross multiply
    283,604.70x = 426,040.65 × 236,948.70
  4. Step 4: Simplify right side
    283,604.70x = 100,949,778,164.66
  5. Step 5: Solve for x
    x = 100,949,778,164.66/283,604.70
  6. Step 6: Final answer
    x = 355,952.42

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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.