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Finding the Fourth Proportional to 568,832.80, 853,018.80 and 194,663.20

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Solution

The fourth proportional to 568,832.80, 853,018.80 and 194,663.20 is: 291,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,832.80 : 853,018.80 = 194,663.20 : x
  2. Step 2: Convert to fraction form
    568,832.80/853,018.80 = 194,663.20/x
  3. Step 3: Cross multiply
    568,832.80x = 853,018.80 × 194,663.20
  4. Step 4: Simplify right side
    568,832.80x = 166,051,369,268.16
  5. Step 5: Solve for x
    x = 166,051,369,268.16/568,832.80
  6. Step 6: Final answer
    x = 291,915.95

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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.