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Finding the Fourth Proportional to 304,529.49, 456,780.74 and 79,884.81

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Solution

The fourth proportional to 304,529.49, 456,780.74 and 79,884.81 is: 119,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,529.49 : 456,780.74 = 79,884.81 : x
  2. Step 2: Convert to fraction form
    304,529.49/456,780.74 = 79,884.81/x
  3. Step 3: Cross multiply
    304,529.49x = 456,780.74 × 79,884.81
  4. Step 4: Simplify right side
    304,529.49x = 36,489,842,227.14
  5. Step 5: Solve for x
    x = 36,489,842,227.14/304,529.49
  6. Step 6: Final answer
    x = 119,823.67

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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.