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Finding the Fourth Proportional to 418,010.99, 576,890.75 and 236,755.16

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Solution

The fourth proportional to 418,010.99, 576,890.75 and 236,755.16 is: 326,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,010.99 : 576,890.75 = 236,755.16 : x
  2. Step 2: Convert to fraction form
    418,010.99/576,890.75 = 236,755.16/x
  3. Step 3: Cross multiply
    418,010.99x = 576,890.75 × 236,755.16
  4. Step 4: Simplify right side
    418,010.99x = 136,581,861,818.77
  5. Step 5: Solve for x
    x = 136,581,861,818.77/418,010.99
  6. Step 6: Final answer
    x = 326,742.27

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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.