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Finding the Fourth Proportional to 605,820.74, 908,740.53 and 179,399.70

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Solution

The fourth proportional to 605,820.74, 908,740.53 and 179,399.70 is: 269,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,820.74 : 908,740.53 = 179,399.70 : x
  2. Step 2: Convert to fraction form
    605,820.74/908,740.53 = 179,399.70/x
  3. Step 3: Cross multiply
    605,820.74x = 908,740.53 × 179,399.70
  4. Step 4: Simplify right side
    605,820.74x = 163,027,773,916.14
  5. Step 5: Solve for x
    x = 163,027,773,916.14/605,820.74
  6. Step 6: Final answer
    x = 269,102.33

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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.