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Finding the Fourth Proportional to 411,758.72, 568,237.60 and 242,001.92

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Solution

The fourth proportional to 411,758.72, 568,237.60 and 242,001.92 is: 333,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,758.72 : 568,237.60 = 242,001.92 : x
  2. Step 2: Convert to fraction form
    411,758.72/568,237.60 = 242,001.92/x
  3. Step 3: Cross multiply
    411,758.72x = 568,237.60 × 242,001.92
  4. Step 4: Simplify right side
    411,758.72x = 137,514,590,216.19
  5. Step 5: Solve for x
    x = 137,514,590,216.19/411,758.72
  6. Step 6: Final answer
    x = 333,968.86

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Why These Related Problems?

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