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Finding the Fourth Proportional to 377,396.72, 565,683.35 and 185,403.30

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Solution

The fourth proportional to 377,396.72, 565,683.35 and 185,403.30 is: 277,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,396.72 : 565,683.35 = 185,403.30 : x
  2. Step 2: Convert to fraction form
    377,396.72/565,683.35 = 185,403.30/x
  3. Step 3: Cross multiply
    377,396.72x = 565,683.35 × 185,403.30
  4. Step 4: Simplify right side
    377,396.72x = 104,879,556,796.73
  5. Step 5: Solve for x
    x = 104,879,556,796.73/377,396.72
  6. Step 6: Final answer
    x = 277,902.67

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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.