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Finding the Fourth Proportional to 568,234.67, 784,168.14 and 310,113.59

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Solution

The fourth proportional to 568,234.67, 784,168.14 and 310,113.59 is: 427,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,234.67 : 784,168.14 = 310,113.59 : x
  2. Step 2: Convert to fraction form
    568,234.67/784,168.14 = 310,113.59/x
  3. Step 3: Cross multiply
    568,234.67x = 784,168.14 × 310,113.59
  4. Step 4: Simplify right side
    568,234.67x = 243,181,197,059.02
  5. Step 5: Solve for x
    x = 243,181,197,059.02/568,234.67
  6. Step 6: Final answer
    x = 427,959.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.