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Finding the Fourth Proportional to 383,132.55, 573,813.09 and 369,846.53

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Solution

The fourth proportional to 383,132.55, 573,813.09 and 369,846.53 is: 553,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,132.55 : 573,813.09 = 369,846.53 : x
  2. Step 2: Convert to fraction form
    383,132.55/573,813.09 = 369,846.53/x
  3. Step 3: Cross multiply
    383,132.55x = 573,813.09 × 369,846.53
  4. Step 4: Simplify right side
    383,132.55x = 212,222,778,770.55
  5. Step 5: Solve for x
    x = 212,222,778,770.55/383,132.55
  6. Step 6: Final answer
    x = 553,914.77

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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.