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Finding the Fourth Proportional to 491,975.70, 737,963.55 and 436,863.30

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Solution

The fourth proportional to 491,975.70, 737,963.55 and 436,863.30 is: 655,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,975.70 : 737,963.55 = 436,863.30 : x
  2. Step 2: Convert to fraction form
    491,975.70/737,963.55 = 436,863.30/x
  3. Step 3: Cross multiply
    491,975.70x = 737,963.55 × 436,863.30
  4. Step 4: Simplify right side
    491,975.70x = 322,389,191,732.72
  5. Step 5: Solve for x
    x = 322,389,191,732.72/491,975.70
  6. Step 6: Final answer
    x = 655,294.95

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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.