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Finding the Fourth Proportional to 538,613.97, 808,039.22 and 159,564.39

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Solution

The fourth proportional to 538,613.97, 808,039.22 and 159,564.39 is: 239,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,613.97 : 808,039.22 = 159,564.39 : x
  2. Step 2: Convert to fraction form
    538,613.97/808,039.22 = 159,564.39/x
  3. Step 3: Cross multiply
    538,613.97x = 808,039.22 × 159,564.39
  4. Step 4: Simplify right side
    538,613.97x = 128,934,281,407.41
  5. Step 5: Solve for x
    x = 128,934,281,407.41/538,613.97
  6. Step 6: Final answer
    x = 239,381.61

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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.