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Finding the Fourth Proportional to 568,178.28, 852,045.93 and 212,998.50

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Solution

The fourth proportional to 568,178.28, 852,045.93 and 212,998.50 is: 319,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,178.28 : 852,045.93 = 212,998.50 : x
  2. Step 2: Convert to fraction form
    568,178.28/852,045.93 = 212,998.50/x
  3. Step 3: Cross multiply
    568,178.28x = 852,045.93 × 212,998.50
  4. Step 4: Simplify right side
    568,178.28x = 181,484,505,021.11
  5. Step 5: Solve for x
    x = 181,484,505,021.11/568,178.28
  6. Step 6: Final answer
    x = 319,414.72

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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.