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Finding the Fourth Proportional to 483,066.45, 724,619.25 and 123,246.63

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Solution

The fourth proportional to 483,066.45, 724,619.25 and 123,246.63 is: 184,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,066.45 : 724,619.25 = 123,246.63 : x
  2. Step 2: Convert to fraction form
    483,066.45/724,619.25 = 123,246.63/x
  3. Step 3: Cross multiply
    483,066.45x = 724,619.25 × 123,246.63
  4. Step 4: Simplify right side
    483,066.45x = 89,306,880,595.63
  5. Step 5: Solve for x
    x = 89,306,880,595.63/483,066.45
  6. Step 6: Final answer
    x = 184,874.94

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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.