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Finding the Fourth Proportional to 362,221.10, 543,404.55 and 125,514.80

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Solution

The fourth proportional to 362,221.10, 543,404.55 and 125,514.80 is: 188,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,221.10 : 543,404.55 = 125,514.80 : x
  2. Step 2: Convert to fraction form
    362,221.10/543,404.55 = 125,514.80/x
  3. Step 3: Cross multiply
    362,221.10x = 543,404.55 × 125,514.80
  4. Step 4: Simplify right side
    362,221.10x = 68,205,313,412.34
  5. Step 5: Solve for x
    x = 68,205,313,412.34/362,221.10
  6. Step 6: Final answer
    x = 188,297.46

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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.