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Finding the Fourth Proportional to 568,386.86, 784,029.58 and 338,791.14

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Solution

The fourth proportional to 568,386.86, 784,029.58 and 338,791.14 is: 467,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,386.86 : 784,029.58 = 338,791.14 : x
  2. Step 2: Convert to fraction form
    568,386.86/784,029.58 = 338,791.14/x
  3. Step 3: Cross multiply
    568,386.86x = 784,029.58 × 338,791.14
  4. Step 4: Simplify right side
    568,386.86x = 265,622,274,354.94
  5. Step 5: Solve for x
    x = 265,622,274,354.94/568,386.86
  6. Step 6: Final answer
    x = 467,326.56

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1.5x scale

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.