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Finding the Fourth Proportional to 383,576.85, 575,559.62 and 255,580.62

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Solution

The fourth proportional to 383,576.85, 575,559.62 and 255,580.62 is: 383,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,576.85 : 575,559.62 = 255,580.62 : x
  2. Step 2: Convert to fraction form
    383,576.85/575,559.62 = 255,580.62/x
  3. Step 3: Cross multiply
    383,576.85x = 575,559.62 × 255,580.62
  4. Step 4: Simplify right side
    383,576.85x = 147,101,883,248.66
  5. Step 5: Solve for x
    x = 147,101,883,248.66/383,576.85
  6. Step 6: Final answer
    x = 383,500.42

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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.