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Finding the Fourth Proportional to 269,691.70, 403,615.95 and 236,514.10

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Solution

The fourth proportional to 269,691.70, 403,615.95 and 236,514.10 is: 353,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,691.70 : 403,615.95 = 236,514.10 : x
  2. Step 2: Convert to fraction form
    269,691.70/403,615.95 = 236,514.10/x
  3. Step 3: Cross multiply
    269,691.70x = 403,615.95 × 236,514.10
  4. Step 4: Simplify right side
    269,691.70x = 95,460,863,159.90
  5. Step 5: Solve for x
    x = 95,460,863,159.90/269,691.70
  6. Step 6: Final answer
    x = 353,962.93

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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.