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Finding the Fourth Proportional to 383,684.67, 575,579.52 and 130,897.29

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Solution

The fourth proportional to 383,684.67, 575,579.52 and 130,897.29 is: 196,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,684.67 : 575,579.52 = 130,897.29 : x
  2. Step 2: Convert to fraction form
    383,684.67/575,579.52 = 130,897.29/x
  3. Step 3: Cross multiply
    383,684.67x = 575,579.52 × 130,897.29
  4. Step 4: Simplify right side
    383,684.67x = 75,341,799,347.50
  5. Step 5: Solve for x
    x = 75,341,799,347.50/383,684.67
  6. Step 6: Final answer
    x = 196,363.85

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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.