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Finding the Fourth Proportional to 405,873.33, 608,711.58 and 169,086.84

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Solution

The fourth proportional to 405,873.33, 608,711.58 and 169,086.84 is: 253,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,873.33 : 608,711.58 = 169,086.84 : x
  2. Step 2: Convert to fraction form
    405,873.33/608,711.58 = 169,086.84/x
  3. Step 3: Cross multiply
    405,873.33x = 608,711.58 × 169,086.84
  4. Step 4: Simplify right side
    405,873.33x = 102,925,119,150.50
  5. Step 5: Solve for x
    x = 102,925,119,150.50/405,873.33
  6. Step 6: Final answer
    x = 253,589.26

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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.