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Finding the Fourth Proportional to 483,143.40, 724,496.40 and 183,524.40

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Solution

The fourth proportional to 483,143.40, 724,496.40 and 183,524.40 is: 275,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,143.40 : 724,496.40 = 183,524.40 : x
  2. Step 2: Convert to fraction form
    483,143.40/724,496.40 = 183,524.40/x
  3. Step 3: Cross multiply
    483,143.40x = 724,496.40 × 183,524.40
  4. Step 4: Simplify right side
    483,143.40x = 132,962,767,112.16
  5. Step 5: Solve for x
    x = 132,962,767,112.16/483,143.40
  6. Step 6: Final answer
    x = 275,203.53

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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.