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Finding the Fourth Proportional to 366,430.20, 548,867.70 and 304,222.20

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Solution

The fourth proportional to 366,430.20, 548,867.70 and 304,222.20 is: 455,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,430.20 : 548,867.70 = 304,222.20 : x
  2. Step 2: Convert to fraction form
    366,430.20/548,867.70 = 304,222.20/x
  3. Step 3: Cross multiply
    366,430.20x = 548,867.70 × 304,222.20
  4. Step 4: Simplify right side
    366,430.20x = 166,977,739,202.94
  5. Step 5: Solve for x
    x = 166,977,739,202.94/366,430.20
  6. Step 6: Final answer
    x = 455,687.71

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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.