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Finding the Fourth Proportional to 383,457.96, 575,188.56 and 117,217.44

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Solution

The fourth proportional to 383,457.96, 575,188.56 and 117,217.44 is: 175,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,457.96 : 575,188.56 = 117,217.44 : x
  2. Step 2: Convert to fraction form
    383,457.96/575,188.56 = 117,217.44/x
  3. Step 3: Cross multiply
    383,457.96x = 575,188.56 × 117,217.44
  4. Step 4: Simplify right side
    383,457.96x = 67,422,130,520.49
  5. Step 5: Solve for x
    x = 67,422,130,520.49/383,457.96
  6. Step 6: Final answer
    x = 175,826.66

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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.