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Finding the Fourth Proportional to 333,890.58, 500,882.65 and 109,268.67

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Solution

The fourth proportional to 333,890.58, 500,882.65 and 109,268.67 is: 163,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,890.58 : 500,882.65 = 109,268.67 : x
  2. Step 2: Convert to fraction form
    333,890.58/500,882.65 = 109,268.67/x
  3. Step 3: Cross multiply
    333,890.58x = 500,882.65 × 109,268.67
  4. Step 4: Simplify right side
    333,890.58x = 54,730,780,581.82
  5. Step 5: Solve for x
    x = 54,730,780,581.82/333,890.58
  6. Step 6: Final answer
    x = 163,918.31

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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.