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Finding the Fourth Proportional to 537,682.40, 806,523.60 and 369,720.80

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Solution

The fourth proportional to 537,682.40, 806,523.60 and 369,720.80 is: 554,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,682.40 : 806,523.60 = 369,720.80 : x
  2. Step 2: Convert to fraction form
    537,682.40/806,523.60 = 369,720.80/x
  3. Step 3: Cross multiply
    537,682.40x = 806,523.60 × 369,720.80
  4. Step 4: Simplify right side
    537,682.40x = 298,188,550,610.88
  5. Step 5: Solve for x
    x = 298,188,550,610.88/537,682.40
  6. Step 6: Final answer
    x = 554,581.20

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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.