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Finding the Fourth Proportional to 304,491.02, 420,198.48 and 168,534.41

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Solution

The fourth proportional to 304,491.02, 420,198.48 and 168,534.41 is: 232,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,491.02 : 420,198.48 = 168,534.41 : x
  2. Step 2: Convert to fraction form
    304,491.02/420,198.48 = 168,534.41/x
  3. Step 3: Cross multiply
    304,491.02x = 420,198.48 × 168,534.41
  4. Step 4: Simplify right side
    304,491.02x = 70,817,900,808.70
  5. Step 5: Solve for x
    x = 70,817,900,808.70/304,491.02
  6. Step 6: Final answer
    x = 232,577.97

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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.