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Finding the Fourth Proportional to 366,418.70, 548,850.45 and 304,210.70

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Solution

The fourth proportional to 366,418.70, 548,850.45 and 304,210.70 is: 455,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,418.70 : 548,850.45 = 304,210.70 : x
  2. Step 2: Convert to fraction form
    366,418.70/548,850.45 = 304,210.70/x
  3. Step 3: Cross multiply
    366,418.70x = 548,850.45 × 304,210.70
  4. Step 4: Simplify right side
    366,418.70x = 166,966,179,589.82
  5. Step 5: Solve for x
    x = 166,966,179,589.82/366,418.70
  6. Step 6: Final answer
    x = 455,670.47

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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.