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Finding the Fourth Proportional to 332,934.81, 499,757.61 and 143,488.67

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Solution

The fourth proportional to 332,934.81, 499,757.61 and 143,488.67 is: 215,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,934.81 : 499,757.61 = 143,488.67 : x
  2. Step 2: Convert to fraction form
    332,934.81/499,757.61 = 143,488.67/x
  3. Step 3: Cross multiply
    332,934.81x = 499,757.61 × 143,488.67
  4. Step 4: Simplify right side
    332,934.81x = 71,709,554,063.84
  5. Step 5: Solve for x
    x = 71,709,554,063.84/332,934.81
  6. Step 6: Final answer
    x = 215,386.17

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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.