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Finding the Fourth Proportional to 621,100.60, 929,682.60 and 443,953.60

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Solution

The fourth proportional to 621,100.60, 929,682.60 and 443,953.60 is: 664,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,100.60 : 929,682.60 = 443,953.60 : x
  2. Step 2: Convert to fraction form
    621,100.60/929,682.60 = 443,953.60/x
  3. Step 3: Cross multiply
    621,100.60x = 929,682.60 × 443,953.60
  4. Step 4: Simplify right side
    621,100.60x = 412,735,937,127.36
  5. Step 5: Solve for x
    x = 412,735,937,127.36/621,100.60
  6. Step 6: Final answer
    x = 664,523.49

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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.