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Finding the Fourth Proportional to 603,012.90, 843,168.30 and 603,012.90

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Solution

The fourth proportional to 603,012.90, 843,168.30 and 603,012.90 is: 843,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,012.90 : 843,168.30 = 603,012.90 : x
  2. Step 2: Convert to fraction form
    603,012.90/843,168.30 = 603,012.90/x
  3. Step 3: Cross multiply
    603,012.90x = 843,168.30 × 603,012.90
  4. Step 4: Simplify right side
    603,012.90x = 508,441,361,771.07
  5. Step 5: Solve for x
    x = 508,441,361,771.07/603,012.90
  6. Step 6: Final answer
    x = 843,168.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.