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Finding the Fourth Proportional to 351,866.56, 484,815.36 and 238,492.48

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Solution

The fourth proportional to 351,866.56, 484,815.36 and 238,492.48 is: 328,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,866.56 : 484,815.36 = 238,492.48 : x
  2. Step 2: Convert to fraction form
    351,866.56/484,815.36 = 238,492.48/x
  3. Step 3: Cross multiply
    351,866.56x = 484,815.36 × 238,492.48
  4. Step 4: Simplify right side
    351,866.56x = 115,624,817,548.49
  5. Step 5: Solve for x
    x = 115,624,817,548.49/351,866.56
  6. Step 6: Final answer
    x = 328,604.17

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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.