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Finding the Fourth Proportional to 538,915.82, 808,151.31 and 183,958.43

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Solution

The fourth proportional to 538,915.82, 808,151.31 and 183,958.43 is: 275,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,915.82 : 808,151.31 = 183,958.43 : x
  2. Step 2: Convert to fraction form
    538,915.82/808,151.31 = 183,958.43/x
  3. Step 3: Cross multiply
    538,915.82x = 808,151.31 × 183,958.43
  4. Step 4: Simplify right side
    538,915.82x = 148,666,242,149.29
  5. Step 5: Solve for x
    x = 148,666,242,149.29/538,915.82
  6. Step 6: Final answer
    x = 275,861.72

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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.