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Finding the Fourth Proportional to 534,195.40, 800,126.70 and 323,465.80

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Solution

The fourth proportional to 534,195.40, 800,126.70 and 323,465.80 is: 484,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,195.40 : 800,126.70 = 323,465.80 : x
  2. Step 2: Convert to fraction form
    534,195.40/800,126.70 = 323,465.80/x
  3. Step 3: Cross multiply
    534,195.40x = 800,126.70 × 323,465.80
  4. Step 4: Simplify right side
    534,195.40x = 258,813,623,116.86
  5. Step 5: Solve for x
    x = 258,813,623,116.86/534,195.40
  6. Step 6: Final answer
    x = 484,492.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.