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Finding the Fourth Proportional to 605,894.78, 908,562.78 and 179,278.04

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Solution

The fourth proportional to 605,894.78, 908,562.78 and 179,278.04 is: 268,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,894.78 : 908,562.78 = 179,278.04 : x
  2. Step 2: Convert to fraction form
    605,894.78/908,562.78 = 179,278.04/x
  3. Step 3: Cross multiply
    605,894.78x = 908,562.78 × 179,278.04
  4. Step 4: Simplify right side
    605,894.78x = 162,885,354,415.35
  5. Step 5: Solve for x
    x = 162,885,354,415.35/605,894.78
  6. Step 6: Final answer
    x = 268,834.39

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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.