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Finding the Fourth Proportional to 605,214.45, 907,941.29 and 178,757.69

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Solution

The fourth proportional to 605,214.45, 907,941.29 and 178,757.69 is: 268,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,214.45 : 907,941.29 = 178,757.69 : x
  2. Step 2: Convert to fraction form
    605,214.45/907,941.29 = 178,757.69/x
  3. Step 3: Cross multiply
    605,214.45x = 907,941.29 × 178,757.69
  4. Step 4: Simplify right side
    605,214.45x = 162,301,482,222.53
  5. Step 5: Solve for x
    x = 162,301,482,222.53/605,214.45
  6. Step 6: Final answer
    x = 268,171.86

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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.