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Finding the Fourth Proportional to 554,630.70, 831,946.05 and 532,857.90

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Solution

The fourth proportional to 554,630.70, 831,946.05 and 532,857.90 is: 799,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,630.70 : 831,946.05 = 532,857.90 : x
  2. Step 2: Convert to fraction form
    554,630.70/831,946.05 = 532,857.90/x
  3. Step 3: Cross multiply
    554,630.70x = 831,946.05 × 532,857.90
  4. Step 4: Simplify right side
    554,630.70x = 443,309,025,116.30
  5. Step 5: Solve for x
    x = 443,309,025,116.30/554,630.70
  6. Step 6: Final answer
    x = 799,286.85

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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.