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Finding the Fourth Proportional to 483,690.57, 725,542.99 and 184,187.90

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Solution

The fourth proportional to 483,690.57, 725,542.99 and 184,187.90 is: 276,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,690.57 : 725,542.99 = 184,187.90 : x
  2. Step 2: Convert to fraction form
    483,690.57/725,542.99 = 184,187.90/x
  3. Step 3: Cross multiply
    483,690.57x = 725,542.99 × 184,187.90
  4. Step 4: Simplify right side
    483,690.57x = 133,636,240,580.74
  5. Step 5: Solve for x
    x = 133,636,240,580.74/483,690.57
  6. Step 6: Final answer
    x = 276,284.57

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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.