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Finding the Fourth Proportional to 496,489.70, 743,969.10 and 369,534.35

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Solution

The fourth proportional to 496,489.70, 743,969.10 and 369,534.35 is: 553,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,489.70 : 743,969.10 = 369,534.35 : x
  2. Step 2: Convert to fraction form
    496,489.70/743,969.10 = 369,534.35/x
  3. Step 3: Cross multiply
    496,489.70x = 743,969.10 × 369,534.35
  4. Step 4: Simplify right side
    496,489.70x = 274,922,137,788.59
  5. Step 5: Solve for x
    x = 274,922,137,788.59/496,489.70
  6. Step 6: Final answer
    x = 553,731.81

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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.