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Finding the Fourth Proportional to 603,874.58, 833,348.64 and 345,755.48

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Solution

The fourth proportional to 603,874.58, 833,348.64 and 345,755.48 is: 477,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,874.58 : 833,348.64 = 345,755.48 : x
  2. Step 2: Convert to fraction form
    603,874.58/833,348.64 = 345,755.48/x
  3. Step 3: Cross multiply
    603,874.58x = 833,348.64 × 345,755.48
  4. Step 4: Simplify right side
    603,874.58x = 288,134,859,030.55
  5. Step 5: Solve for x
    x = 288,134,859,030.55/603,874.58
  6. Step 6: Final answer
    x = 477,143.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.