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Finding the Fourth Proportional to 538,949.44, 808,428.24 and 239,349.58

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Solution

The fourth proportional to 538,949.44, 808,428.24 and 239,349.58 is: 359,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,949.44 : 808,428.24 = 239,349.58 : x
  2. Step 2: Convert to fraction form
    538,949.44/808,428.24 = 239,349.58/x
  3. Step 3: Cross multiply
    538,949.44x = 808,428.24 × 239,349.58
  4. Step 4: Simplify right side
    538,949.44x = 193,496,959,704.14
  5. Step 5: Solve for x
    x = 193,496,959,704.14/538,949.44
  6. Step 6: Final answer
    x = 359,026.18

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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.