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Finding the Fourth Proportional to 568,554.82, 784,322.39 and 338,950.31

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Solution

The fourth proportional to 568,554.82, 784,322.39 and 338,950.31 is: 467,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,554.82 : 784,322.39 = 338,950.31 : x
  2. Step 2: Convert to fraction form
    568,554.82/784,322.39 = 338,950.31/x
  3. Step 3: Cross multiply
    568,554.82x = 784,322.39 × 338,950.31
  4. Step 4: Simplify right side
    568,554.82x = 265,846,320,038.62
  5. Step 5: Solve for x
    x = 265,846,320,038.62/568,554.82
  6. Step 6: Final answer
    x = 467,582.57

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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.