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Finding the Fourth Proportional to 338,513.72, 507,668.33 and 101,793.56

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Solution

The fourth proportional to 338,513.72, 507,668.33 and 101,793.56 is: 152,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,513.72 : 507,668.33 = 101,793.56 : x
  2. Step 2: Convert to fraction form
    338,513.72/507,668.33 = 101,793.56/x
  3. Step 3: Cross multiply
    338,513.72x = 507,668.33 × 101,793.56
  4. Step 4: Simplify right side
    338,513.72x = 51,677,364,326.10
  5. Step 5: Solve for x
    x = 51,677,364,326.10/338,513.72
  6. Step 6: Final answer
    x = 152,659.59

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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.