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Finding the Fourth Proportional to 436,744.96, 602,659.20 and 245,824

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Solution

The fourth proportional to 436,744.96, 602,659.20 and 245,824 is: 339,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,744.96 : 602,659.20 = 245,824 : x
  2. Step 2: Convert to fraction form
    436,744.96/602,659.20 = 245,824/x
  3. Step 3: Cross multiply
    436,744.96x = 602,659.20 × 245,824
  4. Step 4: Simplify right side
    436,744.96x = 148,148,095,180.80
  5. Step 5: Solve for x
    x = 148,148,095,180.80/436,744.96
  6. Step 6: Final answer
    x = 339,209.63

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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.