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Finding the Fourth Proportional to 664,982.10, 933,336.90 and 664,982.10

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Solution

The fourth proportional to 664,982.10, 933,336.90 and 664,982.10 is: 933,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,982.10 : 933,336.90 = 664,982.10 : x
  2. Step 2: Convert to fraction form
    664,982.10/933,336.90 = 664,982.10/x
  3. Step 3: Cross multiply
    664,982.10x = 933,336.90 × 664,982.10
  4. Step 4: Simplify right side
    664,982.10x = 620,652,331,769.49
  5. Step 5: Solve for x
    x = 620,652,331,769.49/664,982.10
  6. Step 6: Final answer
    x = 933,336.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.