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Finding the Fourth Proportional to 436,292.28, 653,770.40 and 293,608.60

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Solution

The fourth proportional to 436,292.28, 653,770.40 and 293,608.60 is: 439,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,292.28 : 653,770.40 = 293,608.60 : x
  2. Step 2: Convert to fraction form
    436,292.28/653,770.40 = 293,608.60/x
  3. Step 3: Cross multiply
    436,292.28x = 653,770.40 × 293,608.60
  4. Step 4: Simplify right side
    436,292.28x = 191,952,611,865.44
  5. Step 5: Solve for x
    x = 191,952,611,865.44/436,292.28
  6. Step 6: Final answer
    x = 439,963.35

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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.