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Finding the Fourth Proportional to 436,009.83, 601,857.99 and 254,780.69

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Solution

The fourth proportional to 436,009.83, 601,857.99 and 254,780.69 is: 351,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,009.83 : 601,857.99 = 254,780.69 : x
  2. Step 2: Convert to fraction form
    436,009.83/601,857.99 = 254,780.69/x
  3. Step 3: Cross multiply
    436,009.83x = 601,857.99 × 254,780.69
  4. Step 4: Simplify right side
    436,009.83x = 153,341,790,964.92
  5. Step 5: Solve for x
    x = 153,341,790,964.92/436,009.83
  6. Step 6: Final answer
    x = 351,693.43

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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.