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Finding the Fourth Proportional to 537,668.48, 806,504.99 and 217,826.55

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Solution

The fourth proportional to 537,668.48, 806,504.99 and 217,826.55 is: 326,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,668.48 : 806,504.99 = 217,826.55 : x
  2. Step 2: Convert to fraction form
    537,668.48/806,504.99 = 217,826.55/x
  3. Step 3: Cross multiply
    537,668.48x = 806,504.99 × 217,826.55
  4. Step 4: Simplify right side
    537,668.48x = 175,678,198,440.35
  5. Step 5: Solve for x
    x = 175,678,198,440.35/537,668.48
  6. Step 6: Final answer
    x = 326,740.74

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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.