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Finding the Fourth Proportional to 568,958.60, 853,437.90 and 542,714.60

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Solution

The fourth proportional to 568,958.60, 853,437.90 and 542,714.60 is: 814,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,958.60 : 853,437.90 = 542,714.60 : x
  2. Step 2: Convert to fraction form
    568,958.60/853,437.90 = 542,714.60/x
  3. Step 3: Cross multiply
    568,958.60x = 853,437.90 × 542,714.60
  4. Step 4: Simplify right side
    568,958.60x = 463,173,208,523.34
  5. Step 5: Solve for x
    x = 463,173,208,523.34/568,958.60
  6. Step 6: Final answer
    x = 814,071.90

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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.