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Finding the Fourth Proportional to 450,010.80, 675,024.20 and 134,471.60

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Solution

The fourth proportional to 450,010.80, 675,024.20 and 134,471.60 is: 201,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,010.80 : 675,024.20 = 134,471.60 : x
  2. Step 2: Convert to fraction form
    450,010.80/675,024.20 = 134,471.60/x
  3. Step 3: Cross multiply
    450,010.80x = 675,024.20 × 134,471.60
  4. Step 4: Simplify right side
    450,010.80x = 90,771,584,212.72
  5. Step 5: Solve for x
    x = 90,771,584,212.72/450,010.80
  6. Step 6: Final answer
    x = 201,709.79

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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.