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Finding the Fourth Proportional to 568,752.60, 852,472.74 and 213,540

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Solution

The fourth proportional to 568,752.60, 852,472.74 and 213,540 is: 320,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,752.60 : 852,472.74 = 213,540 : x
  2. Step 2: Convert to fraction form
    568,752.60/852,472.74 = 213,540/x
  3. Step 3: Cross multiply
    568,752.60x = 852,472.74 × 213,540
  4. Step 4: Simplify right side
    568,752.60x = 182,037,028,899.60
  5. Step 5: Solve for x
    x = 182,037,028,899.60/568,752.60
  6. Step 6: Final answer
    x = 320,063.64

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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.