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Finding the Fourth Proportional to 662,982.45, 995,486.99 and 635,688.69

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Solution

The fourth proportional to 662,982.45, 995,486.99 and 635,688.69 is: 954,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,982.45 : 995,486.99 = 635,688.69 : x
  2. Step 2: Convert to fraction form
    662,982.45/995,486.99 = 635,688.69/x
  3. Step 3: Cross multiply
    662,982.45x = 995,486.99 × 635,688.69
  4. Step 4: Simplify right side
    662,982.45x = 632,819,817,406.70
  5. Step 5: Solve for x
    x = 632,819,817,406.70/662,982.45
  6. Step 6: Final answer
    x = 954,504.63

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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.