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Finding the Fourth Proportional to 568,118.40, 852,475.68 and 213,377.28

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Solution

The fourth proportional to 568,118.40, 852,475.68 and 213,377.28 is: 320,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,118.40 : 852,475.68 = 213,377.28 : x
  2. Step 2: Convert to fraction form
    568,118.40/852,475.68 = 213,377.28/x
  3. Step 3: Cross multiply
    568,118.40x = 852,475.68 × 213,377.28
  4. Step 4: Simplify right side
    568,118.40x = 181,898,941,864.55
  5. Step 5: Solve for x
    x = 181,898,941,864.55/568,118.40
  6. Step 6: Final answer
    x = 320,177.87

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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.