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Finding the Fourth Proportional to 367,633.40, 551,450.10 and 330,308.60

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Solution

The fourth proportional to 367,633.40, 551,450.10 and 330,308.60 is: 495,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,633.40 : 551,450.10 = 330,308.60 : x
  2. Step 2: Convert to fraction form
    367,633.40/551,450.10 = 330,308.60/x
  3. Step 3: Cross multiply
    367,633.40x = 551,450.10 × 330,308.60
  4. Step 4: Simplify right side
    367,633.40x = 182,148,710,500.86
  5. Step 5: Solve for x
    x = 182,148,710,500.86/367,633.40
  6. Step 6: Final answer
    x = 495,462.90

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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.