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Finding the Fourth Proportional to 590,587.20, 885,736.80 and 169,819.20

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Solution

The fourth proportional to 590,587.20, 885,736.80 and 169,819.20 is: 254,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,587.20 : 885,736.80 = 169,819.20 : x
  2. Step 2: Convert to fraction form
    590,587.20/885,736.80 = 169,819.20/x
  3. Step 3: Cross multiply
    590,587.20x = 885,736.80 × 169,819.20
  4. Step 4: Simplify right side
    590,587.20x = 150,415,114,786.56
  5. Step 5: Solve for x
    x = 150,415,114,786.56/590,587.20
  6. Step 6: Final answer
    x = 254,687.39

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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.