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Finding the Fourth Proportional to 483,057.41, 724,605.75 and 123,237.59

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Solution

The fourth proportional to 483,057.41, 724,605.75 and 123,237.59 is: 184,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,057.41 : 724,605.75 = 123,237.59 : x
  2. Step 2: Convert to fraction form
    483,057.41/724,605.75 = 123,237.59/x
  3. Step 3: Cross multiply
    483,057.41x = 724,605.75 × 123,237.59
  4. Step 4: Simplify right side
    483,057.41x = 89,298,662,707.11
  5. Step 5: Solve for x
    x = 89,298,662,707.11/483,057.41
  6. Step 6: Final answer
    x = 184,861.39

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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.