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Finding the Fourth Proportional to 333,716, 500,568.69 and 80,998.58

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Solution

The fourth proportional to 333,716, 500,568.69 and 80,998.58 is: 121,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,716 : 500,568.69 = 80,998.58 : x
  2. Step 2: Convert to fraction form
    333,716/500,568.69 = 80,998.58/x
  3. Step 3: Cross multiply
    333,716x = 500,568.69 × 80,998.58
  4. Step 4: Simplify right side
    333,716x = 40,545,353,082.46
  5. Step 5: Solve for x
    x = 40,545,353,082.46/333,716
  6. Step 6: Final answer
    x = 121,496.58

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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.