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Finding the Fourth Proportional to 333,715, 500,567.20 and 80,997.58

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Solution

The fourth proportional to 333,715, 500,567.20 and 80,997.58 is: 121,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,715 : 500,567.20 = 80,997.58 : x
  2. Step 2: Convert to fraction form
    333,715/500,567.20 = 80,997.58/x
  3. Step 3: Cross multiply
    333,715x = 500,567.20 × 80,997.58
  4. Step 4: Simplify right side
    333,715x = 40,544,728,919.55
  5. Step 5: Solve for x
    x = 40,544,728,919.55/333,715
  6. Step 6: Final answer
    x = 121,495.07

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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.