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Finding the Fourth Proportional to 590,419.20, 885,542.40 and 169,651.20

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Solution

The fourth proportional to 590,419.20, 885,542.40 and 169,651.20 is: 254,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,419.20 : 885,542.40 = 169,651.20 : x
  2. Step 2: Convert to fraction form
    590,419.20/885,542.40 = 169,651.20/x
  3. Step 3: Cross multiply
    590,419.20x = 885,542.40 × 169,651.20
  4. Step 4: Simplify right side
    590,419.20x = 150,233,330,810.88
  5. Step 5: Solve for x
    x = 150,233,330,810.88/590,419.20
  6. Step 6: Final answer
    x = 254,451.97

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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.