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Finding the Fourth Proportional to 604,477,007.55, 906,715,511.33 and 221,474,793.15

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Solution

The fourth proportional to 604,477,007.55, 906,715,511.33 and 221,474,793.15 is: 332,212,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,477,007.55 : 906,715,511.33 = 221,474,793.15 : x
  2. Step 2: Convert to fraction form
    604,477,007.55/906,715,511.33 = 221,474,793.15/x
  3. Step 3: Cross multiply
    604,477,007.55x = 906,715,511.33 × 221,474,793.15
  4. Step 4: Simplify right side
    604,477,007.55x = 200,814,630,316,600,864
  5. Step 5: Solve for x
    x = 200,814,630,316,600,864/604,477,007.55
  6. Step 6: Final answer
    x = 332,212,189.73

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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.