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Finding the Fourth Proportional to 436,469.16, 601,985.65 and 283,556.28

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Solution

The fourth proportional to 436,469.16, 601,985.65 and 283,556.28 is: 391,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,469.16 : 601,985.65 = 283,556.28 : x
  2. Step 2: Convert to fraction form
    436,469.16/601,985.65 = 283,556.28/x
  3. Step 3: Cross multiply
    436,469.16x = 601,985.65 × 283,556.28
  4. Step 4: Simplify right side
    436,469.16x = 170,696,811,963.56
  5. Step 5: Solve for x
    x = 170,696,811,963.56/436,469.16
  6. Step 6: Final answer
    x = 391,085.62

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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.