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Finding the Fourth Proportional to 304,574.67, 420,308.01 and 168,605.82

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Solution

The fourth proportional to 304,574.67, 420,308.01 and 168,605.82 is: 232,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,574.67 : 420,308.01 = 168,605.82 : x
  2. Step 2: Convert to fraction form
    304,574.67/420,308.01 = 168,605.82/x
  3. Step 3: Cross multiply
    304,574.67x = 420,308.01 × 168,605.82
  4. Step 4: Simplify right side
    304,574.67x = 70,866,376,678.62
  5. Step 5: Solve for x
    x = 70,866,376,678.62/304,574.67
  6. Step 6: Final answer
    x = 232,673.24

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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.