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Finding the Fourth Proportional to 605,624.29, 908,579.19 and 339,568.45

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Solution

The fourth proportional to 605,624.29, 908,579.19 and 339,568.45 is: 509,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,624.29 : 908,579.19 = 339,568.45 : x
  2. Step 2: Convert to fraction form
    605,624.29/908,579.19 = 339,568.45/x
  3. Step 3: Cross multiply
    605,624.29x = 908,579.19 × 339,568.45
  4. Step 4: Simplify right side
    605,624.29x = 308,524,827,250.56
  5. Step 5: Solve for x
    x = 308,524,827,250.56/605,624.29
  6. Step 6: Final answer
    x = 509,432.72

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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.