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Finding the Fourth Proportional to 662,983.45, 995,488.49 and 635,689.69

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Solution

The fourth proportional to 662,983.45, 995,488.49 and 635,689.69 is: 954,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,983.45 : 995,488.49 = 635,689.69 : x
  2. Step 2: Convert to fraction form
    662,983.45/995,488.49 = 635,689.69/x
  3. Step 3: Cross multiply
    662,983.45x = 995,488.49 × 635,689.69
  4. Step 4: Simplify right side
    662,983.45x = 632,821,769,606.67
  5. Step 5: Solve for x
    x = 632,821,769,606.67/662,983.45
  6. Step 6: Final answer
    x = 954,506.13

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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.