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Finding the Fourth Proportional to 413,550.60, 620,412.30 and 133,096.20

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Solution

The fourth proportional to 413,550.60, 620,412.30 and 133,096.20 is: 199,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,550.60 : 620,412.30 = 133,096.20 : x
  2. Step 2: Convert to fraction form
    413,550.60/620,412.30 = 133,096.20/x
  3. Step 3: Cross multiply
    413,550.60x = 620,412.30 × 133,096.20
  4. Step 4: Simplify right side
    413,550.60x = 82,574,519,563.26
  5. Step 5: Solve for x
    x = 82,574,519,563.26/413,550.60
  6. Step 6: Final answer
    x = 199,672.11

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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.