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Finding the Fourth Proportional to 605,564.81, 908,524.85 and 179,111.88

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Solution

The fourth proportional to 605,564.81, 908,524.85 and 179,111.88 is: 268,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,564.81 : 908,524.85 = 179,111.88 : x
  2. Step 2: Convert to fraction form
    605,564.81/908,524.85 = 179,111.88/x
  3. Step 3: Cross multiply
    605,564.81x = 908,524.85 × 179,111.88
  4. Step 4: Simplify right side
    605,564.81x = 162,727,596,451.45
  5. Step 5: Solve for x
    x = 162,727,596,451.45/605,564.81
  6. Step 6: Final answer
    x = 268,720.37

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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.