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Finding the Fourth Proportional to 367,633.70, 551,450.55 and 307,499.30

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Solution

The fourth proportional to 367,633.70, 551,450.55 and 307,499.30 is: 461,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,633.70 : 551,450.55 = 307,499.30 : x
  2. Step 2: Convert to fraction form
    367,633.70/551,450.55 = 307,499.30/x
  3. Step 3: Cross multiply
    367,633.70x = 551,450.55 × 307,499.30
  4. Step 4: Simplify right side
    367,633.70x = 169,570,658,109.62
  5. Step 5: Solve for x
    x = 169,570,658,109.62/367,633.70
  6. Step 6: Final answer
    x = 461,248.95

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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.