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Finding the Fourth Proportional to 545,950.33, 753,010.43 and 361,855.96

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Solution

The fourth proportional to 545,950.33, 753,010.43 and 361,855.96 is: 499,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,950.33 : 753,010.43 = 361,855.96 : x
  2. Step 2: Convert to fraction form
    545,950.33/753,010.43 = 361,855.96/x
  3. Step 3: Cross multiply
    545,950.33x = 753,010.43 × 361,855.96
  4. Step 4: Simplify right side
    545,950.33x = 272,481,308,345.86
  5. Step 5: Solve for x
    x = 272,481,308,345.86/545,950.33
  6. Step 6: Final answer
    x = 499,095.42

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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.