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Finding the Fourth Proportional to 538,857.35, 808,285.89 and 183,871.34

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Solution

The fourth proportional to 538,857.35, 808,285.89 and 183,871.34 is: 275,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,857.35 : 808,285.89 = 183,871.34 : x
  2. Step 2: Convert to fraction form
    538,857.35/808,285.89 = 183,871.34/x
  3. Step 3: Cross multiply
    538,857.35x = 808,285.89 × 183,871.34
  4. Step 4: Simplify right side
    538,857.35x = 148,620,609,697.39
  5. Step 5: Solve for x
    x = 148,620,609,697.39/538,857.35
  6. Step 6: Final answer
    x = 275,806.96

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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.