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Finding the Fourth Proportional to 605,672.10, 908,710.38 and 268,666.29

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Solution

The fourth proportional to 605,672.10, 908,710.38 and 268,666.29 is: 403,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,672.10 : 908,710.38 = 268,666.29 : x
  2. Step 2: Convert to fraction form
    605,672.10/908,710.38 = 268,666.29/x
  3. Step 3: Cross multiply
    605,672.10x = 908,710.38 × 268,666.29
  4. Step 4: Simplify right side
    605,672.10x = 244,139,846,479.09
  5. Step 5: Solve for x
    x = 244,139,846,479.09/605,672.10
  6. Step 6: Final answer
    x = 403,089.14

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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.