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Finding the Fourth Proportional to 648,190.44, 894,501.50 and 361,693.44

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Solution

The fourth proportional to 648,190.44, 894,501.50 and 361,693.44 is: 499,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,190.44 : 894,501.50 = 361,693.44 : x
  2. Step 2: Convert to fraction form
    648,190.44/894,501.50 = 361,693.44/x
  3. Step 3: Cross multiply
    648,190.44x = 894,501.50 × 361,693.44
  4. Step 4: Simplify right side
    648,190.44x = 323,535,322,811.69
  5. Step 5: Solve for x
    x = 323,535,322,811.69/648,190.44
  6. Step 6: Final answer
    x = 499,136.21

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1.5x scale

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.