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Finding the Fourth Proportional to 459,809.44, 634,536.96 and 255,873.48

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Solution

The fourth proportional to 459,809.44, 634,536.96 and 255,873.48 is: 353,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,809.44 : 634,536.96 = 255,873.48 : x
  2. Step 2: Convert to fraction form
    459,809.44/634,536.96 = 255,873.48/x
  3. Step 3: Cross multiply
    459,809.44x = 634,536.96 × 255,873.48
  4. Step 4: Simplify right side
    459,809.44x = 162,361,180,143.82
  5. Step 5: Solve for x
    x = 162,361,180,143.82/459,809.44
  6. Step 6: Final answer
    x = 353,105.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.