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Finding the Fourth Proportional to 567,731.66, 853,069.61 and 426,903.89

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Solution

The fourth proportional to 567,731.66, 853,069.61 and 426,903.89 is: 641,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,731.66 : 853,069.61 = 426,903.89 : x
  2. Step 2: Convert to fraction form
    567,731.66/853,069.61 = 426,903.89/x
  3. Step 3: Cross multiply
    567,731.66x = 853,069.61 × 426,903.89
  4. Step 4: Simplify right side
    567,731.66x = 364,178,728,549.92
  5. Step 5: Solve for x
    x = 364,178,728,549.92/567,731.66
  6. Step 6: Final answer
    x = 641,462.79

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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.