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Finding the Fourth Proportional to 483,717.69, 667,527.89 and 265,931.37

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Solution

The fourth proportional to 483,717.69, 667,527.89 and 265,931.37 is: 366,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,717.69 : 667,527.89 = 265,931.37 : x
  2. Step 2: Convert to fraction form
    483,717.69/667,527.89 = 265,931.37/x
  3. Step 3: Cross multiply
    483,717.69x = 667,527.89 × 265,931.37
  4. Step 4: Simplify right side
    483,717.69x = 177,516,604,971.25
  5. Step 5: Solve for x
    x = 177,516,604,971.25/483,717.69
  6. Step 6: Final answer
    x = 366,983.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.