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Finding the Fourth Proportional to 721,484.34, 995,214.60 and 476,471.34

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Solution

The fourth proportional to 721,484.34, 995,214.60 and 476,471.34 is: 657,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,484.34 : 995,214.60 = 476,471.34 : x
  2. Step 2: Convert to fraction form
    721,484.34/995,214.60 = 476,471.34/x
  3. Step 3: Cross multiply
    721,484.34x = 995,214.60 × 476,471.34
  4. Step 4: Simplify right side
    721,484.34x = 474,191,234,049.56
  5. Step 5: Solve for x
    x = 474,191,234,049.56/721,484.34
  6. Step 6: Final answer
    x = 657,243.97

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