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Finding the Fourth Proportional to 450,404.35, 675,606.69 and 113,447.80

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Solution

The fourth proportional to 450,404.35, 675,606.69 and 113,447.80 is: 170,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,404.35 : 675,606.69 = 113,447.80 : x
  2. Step 2: Convert to fraction form
    450,404.35/675,606.69 = 113,447.80/x
  3. Step 3: Cross multiply
    450,404.35x = 675,606.69 × 113,447.80
  4. Step 4: Simplify right side
    450,404.35x = 76,646,092,645.78
  5. Step 5: Solve for x
    x = 76,646,092,645.78/450,404.35
  6. Step 6: Final answer
    x = 170,171.74

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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.