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Finding the Fourth Proportional to 304,463.13, 456,696.58 and 79,821.54

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Solution

The fourth proportional to 304,463.13, 456,696.58 and 79,821.54 is: 119,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,463.13 : 456,696.58 = 79,821.54 : x
  2. Step 2: Convert to fraction form
    304,463.13/456,696.58 = 79,821.54/x
  3. Step 3: Cross multiply
    304,463.13x = 456,696.58 × 79,821.54
  4. Step 4: Simplify right side
    304,463.13x = 36,454,224,328.33
  5. Step 5: Solve for x
    x = 36,454,224,328.33/304,463.13
  6. Step 6: Final answer
    x = 119,732.80

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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.