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Finding the Fourth Proportional to 554,636.20, 831,954.30 and 532,863.40

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Solution

The fourth proportional to 554,636.20, 831,954.30 and 532,863.40 is: 799,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,636.20 : 831,954.30 = 532,863.40 : x
  2. Step 2: Convert to fraction form
    554,636.20/831,954.30 = 532,863.40/x
  3. Step 3: Cross multiply
    554,636.20x = 831,954.30 × 532,863.40
  4. Step 4: Simplify right side
    554,636.20x = 443,317,996,942.62
  5. Step 5: Solve for x
    x = 443,317,996,942.62/554,636.20
  6. Step 6: Final answer
    x = 799,295.10

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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.