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Finding the Fourth Proportional to 383,700.53, 575,452.62 and 113,765.56

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Solution

The fourth proportional to 383,700.53, 575,452.62 and 113,765.56 is: 170,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,700.53 : 575,452.62 = 113,765.56 : x
  2. Step 2: Convert to fraction form
    383,700.53/575,452.62 = 113,765.56/x
  3. Step 3: Cross multiply
    383,700.53x = 575,452.62 × 113,765.56
  4. Step 4: Simplify right side
    383,700.53x = 65,466,689,567.77
  5. Step 5: Solve for x
    x = 65,466,689,567.77/383,700.53
  6. Step 6: Final answer
    x = 170,619.23

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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.