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Finding the Fourth Proportional to 647,603.42, 970,817.04 and 226,649.66

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Solution

The fourth proportional to 647,603.42, 970,817.04 and 226,649.66 is: 339,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,603.42 : 970,817.04 = 226,649.66 : x
  2. Step 2: Convert to fraction form
    647,603.42/970,817.04 = 226,649.66/x
  3. Step 3: Cross multiply
    647,603.42x = 970,817.04 × 226,649.66
  4. Step 4: Simplify right side
    647,603.42x = 220,035,352,038.21
  5. Step 5: Solve for x
    x = 220,035,352,038.21/647,603.42
  6. Step 6: Final answer
    x = 339,768.67

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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.