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Finding the Fourth Proportional to 433,624.73, 650,433.47 and 338,934.58

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Solution

The fourth proportional to 433,624.73, 650,433.47 and 338,934.58 is: 508,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,624.73 : 650,433.47 = 338,934.58 : x
  2. Step 2: Convert to fraction form
    433,624.73/650,433.47 = 338,934.58/x
  3. Step 3: Cross multiply
    433,624.73x = 650,433.47 × 338,934.58
  4. Step 4: Simplify right side
    433,624.73x = 220,454,392,604.89
  5. Step 5: Solve for x
    x = 220,454,392,604.89/433,624.73
  6. Step 6: Final answer
    x = 508,399.03

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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.