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Finding the Fourth Proportional to 621,484.76, 932,029.50 and 200,662.76

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Solution

The fourth proportional to 621,484.76, 932,029.50 and 200,662.76 is: 300,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,484.76 : 932,029.50 = 200,662.76 : x
  2. Step 2: Convert to fraction form
    621,484.76/932,029.50 = 200,662.76/x
  3. Step 3: Cross multiply
    621,484.76x = 932,029.50 × 200,662.76
  4. Step 4: Simplify right side
    621,484.76x = 187,023,611,871.42
  5. Step 5: Solve for x
    x = 187,023,611,871.42/621,484.76
  6. Step 6: Final answer
    x = 300,930.33

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1.5x scale

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.