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Finding the Fourth Proportional to 383,874.80, 571,872.44 and 366,603.04

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Solution

The fourth proportional to 383,874.80, 571,872.44 and 366,603.04 is: 546,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,874.80 : 571,872.44 = 366,603.04 : x
  2. Step 2: Convert to fraction form
    383,874.80/571,872.44 = 366,603.04/x
  3. Step 3: Cross multiply
    383,874.80x = 571,872.44 × 366,603.04
  4. Step 4: Simplify right side
    383,874.80x = 209,650,174,996.22
  5. Step 5: Solve for x
    x = 209,650,174,996.22/383,874.80
  6. Step 6: Final answer
    x = 546,142.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.