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Finding the Fourth Proportional to 547,817.48, 755,945.08 and 302,791.94

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Solution

The fourth proportional to 547,817.48, 755,945.08 and 302,791.94 is: 417,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,817.48 : 755,945.08 = 302,791.94 : x
  2. Step 2: Convert to fraction form
    547,817.48/755,945.08 = 302,791.94/x
  3. Step 3: Cross multiply
    547,817.48x = 755,945.08 × 302,791.94
  4. Step 4: Simplify right side
    547,817.48x = 228,894,072,769.95
  5. Step 5: Solve for x
    x = 228,894,072,769.95/547,817.48
  6. Step 6: Final answer
    x = 417,829.08

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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.