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Finding the Fourth Proportional to 344,496.54, 516,756.43 and 264,655.85

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Solution

The fourth proportional to 344,496.54, 516,756.43 and 264,655.85 is: 396,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,496.54 : 516,756.43 = 264,655.85 : x
  2. Step 2: Convert to fraction form
    344,496.54/516,756.43 = 264,655.85/x
  3. Step 3: Cross multiply
    344,496.54x = 516,756.43 × 264,655.85
  4. Step 4: Simplify right side
    344,496.54x = 136,762,613,516.51
  5. Step 5: Solve for x
    x = 136,762,613,516.51/344,496.54
  6. Step 6: Final answer
    x = 396,992.71

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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.