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Finding the Fourth Proportional to 483,715.72, 725,580.92 and 184,212.88

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Solution

The fourth proportional to 483,715.72, 725,580.92 and 184,212.88 is: 276,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,715.72 : 725,580.92 = 184,212.88 : x
  2. Step 2: Convert to fraction form
    483,715.72/725,580.92 = 184,212.88/x
  3. Step 3: Cross multiply
    483,715.72x = 725,580.92 × 184,212.88
  4. Step 4: Simplify right side
    483,715.72x = 133,661,350,946.25
  5. Step 5: Solve for x
    x = 133,661,350,946.25/483,715.72
  6. Step 6: Final answer
    x = 276,322.12

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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.