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Finding the Fourth Proportional to 333,489.38, 500,313.74 and 108,850.19

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Solution

The fourth proportional to 333,489.38, 500,313.74 and 108,850.19 is: 163,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,489.38 : 500,313.74 = 108,850.19 : x
  2. Step 2: Convert to fraction form
    333,489.38/500,313.74 = 108,850.19/x
  3. Step 3: Cross multiply
    333,489.38x = 500,313.74 × 108,850.19
  4. Step 4: Simplify right side
    333,489.38x = 54,459,242,612.79
  5. Step 5: Solve for x
    x = 54,459,242,612.79/333,489.38
  6. Step 6: Final answer
    x = 163,301.28

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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.