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Finding the Fourth Proportional to 339,614.48, 468,670.52 and 186,655.28

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Solution

The fourth proportional to 339,614.48, 468,670.52 and 186,655.28 is: 257,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,614.48 : 468,670.52 = 186,655.28 : x
  2. Step 2: Convert to fraction form
    339,614.48/468,670.52 = 186,655.28/x
  3. Step 3: Cross multiply
    339,614.48x = 468,670.52 × 186,655.28
  4. Step 4: Simplify right side
    339,614.48x = 87,479,823,861.72
  5. Step 5: Solve for x
    x = 87,479,823,861.72/339,614.48
  6. Step 6: Final answer
    x = 257,585.67

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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.