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Finding the Fourth Proportional to 547,808.26, 755,973.81 and 302,791.38

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Solution

The fourth proportional to 547,808.26, 755,973.81 and 302,791.38 is: 417,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,808.26 : 755,973.81 = 302,791.38 : x
  2. Step 2: Convert to fraction form
    547,808.26/755,973.81 = 302,791.38/x
  3. Step 3: Cross multiply
    547,808.26x = 755,973.81 × 302,791.38
  4. Step 4: Simplify right side
    547,808.26x = 228,902,353,173.76
  5. Step 5: Solve for x
    x = 228,902,353,173.76/547,808.26
  6. Step 6: Final answer
    x = 417,851.23

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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.