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Finding the Fourth Proportional to 545,191.86, 818,137.71 and 264,556.02

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Solution

The fourth proportional to 545,191.86, 818,137.71 and 264,556.02 is: 397,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,191.86 : 818,137.71 = 264,556.02 : x
  2. Step 2: Convert to fraction form
    545,191.86/818,137.71 = 264,556.02/x
  3. Step 3: Cross multiply
    545,191.86x = 818,137.71 × 264,556.02
  4. Step 4: Simplify right side
    545,191.86x = 216,443,256,369.51
  5. Step 5: Solve for x
    x = 216,443,256,369.51/545,191.86
  6. Step 6: Final answer
    x = 397,003.83

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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.