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Finding the Fourth Proportional to 662,630.70, 993,946.05 and 662,630.70

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Solution

The fourth proportional to 662,630.70, 993,946.05 and 662,630.70 is: 993,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,630.70 : 993,946.05 = 662,630.70 : x
  2. Step 2: Convert to fraction form
    662,630.70/993,946.05 = 662,630.70/x
  3. Step 3: Cross multiply
    662,630.70x = 993,946.05 × 662,630.70
  4. Step 4: Simplify right side
    662,630.70x = 658,619,166,873.74
  5. Step 5: Solve for x
    x = 658,619,166,873.74/662,630.70
  6. Step 6: Final answer
    x = 993,946.05

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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.