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Finding the Fourth Proportional to 721,650.03, 995,893.29 and 467,443.68

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Solution

The fourth proportional to 721,650.03, 995,893.29 and 467,443.68 is: 645,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,650.03 : 995,893.29 = 467,443.68 : x
  2. Step 2: Convert to fraction form
    721,650.03/995,893.29 = 467,443.68/x
  3. Step 3: Cross multiply
    721,650.03x = 995,893.29 × 467,443.68
  4. Step 4: Simplify right side
    721,650.03x = 465,524,024,364.91
  5. Step 5: Solve for x
    x = 465,524,024,364.91/721,650.03
  6. Step 6: Final answer
    x = 645,082.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.