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Finding the Fourth Proportional to 568,959.10, 853,438.65 and 542,715.10

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Solution

The fourth proportional to 568,959.10, 853,438.65 and 542,715.10 is: 814,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,959.10 : 853,438.65 = 542,715.10 : x
  2. Step 2: Convert to fraction form
    568,959.10/853,438.65 = 542,715.10/x
  3. Step 3: Cross multiply
    568,959.10x = 853,438.65 × 542,715.10
  4. Step 4: Simplify right side
    568,959.10x = 463,174,042,278.62
  5. Step 5: Solve for x
    x = 463,174,042,278.62/568,959.10
  6. Step 6: Final answer
    x = 814,072.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.