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Finding the Fourth Proportional to 383,868.90, 575,846.55 and 117,627.30

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Solution

The fourth proportional to 383,868.90, 575,846.55 and 117,627.30 is: 176,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,868.90 : 575,846.55 = 117,627.30 : x
  2. Step 2: Convert to fraction form
    383,868.90/575,846.55 = 117,627.30/x
  3. Step 3: Cross multiply
    383,868.90x = 575,846.55 × 117,627.30
  4. Step 4: Simplify right side
    383,868.90x = 67,735,274,890.82
  5. Step 5: Solve for x
    x = 67,735,274,890.82/383,868.90
  6. Step 6: Final answer
    x = 176,454.19

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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.