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Finding the Fourth Proportional to 383,454.92, 575,183.88 and 117,214.40

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Solution

The fourth proportional to 383,454.92, 575,183.88 and 117,214.40 is: 175,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,454.92 : 575,183.88 = 117,214.40 : x
  2. Step 2: Convert to fraction form
    383,454.92/575,183.88 = 117,214.40/x
  3. Step 3: Cross multiply
    383,454.92x = 575,183.88 × 117,214.40
  4. Step 4: Simplify right side
    383,454.92x = 67,419,833,383.87
  5. Step 5: Solve for x
    x = 67,419,833,383.87/383,454.92
  6. Step 6: Final answer
    x = 175,822.06

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1.5x scale

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.