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Finding the Fourth Proportional to 304,569.44, 420,309.15 and 168,605.66

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Solution

The fourth proportional to 304,569.44, 420,309.15 and 168,605.66 is: 232,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,569.44 : 420,309.15 = 168,605.66 : x
  2. Step 2: Convert to fraction form
    304,569.44/420,309.15 = 168,605.66/x
  3. Step 3: Cross multiply
    304,569.44x = 420,309.15 × 168,605.66
  4. Step 4: Simplify right side
    304,569.44x = 70,866,501,639.79
  5. Step 5: Solve for x
    x = 70,866,501,639.79/304,569.44
  6. Step 6: Final answer
    x = 232,677.65

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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.