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Finding the Fourth Proportional to 590,511.20, 885,680.40 and 169,743.20

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Solution

The fourth proportional to 590,511.20, 885,680.40 and 169,743.20 is: 254,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,511.20 : 885,680.40 = 169,743.20 : x
  2. Step 2: Convert to fraction form
    590,511.20/885,680.40 = 169,743.20/x
  3. Step 3: Cross multiply
    590,511.20x = 885,680.40 × 169,743.20
  4. Step 4: Simplify right side
    590,511.20x = 150,338,225,273.28
  5. Step 5: Solve for x
    x = 150,338,225,273.28/590,511.20
  6. Step 6: Final answer
    x = 254,589.96

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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.