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Finding the Fourth Proportional to 356,896.98, 492,674.31 and 249,886.62

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Solution

The fourth proportional to 356,896.98, 492,674.31 and 249,886.62 is: 344,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,896.98 : 492,674.31 = 249,886.62 : x
  2. Step 2: Convert to fraction form
    356,896.98/492,674.31 = 249,886.62/x
  3. Step 3: Cross multiply
    356,896.98x = 492,674.31 × 249,886.62
  4. Step 4: Simplify right side
    356,896.98x = 123,112,718,086.73
  5. Step 5: Solve for x
    x = 123,112,718,086.73/356,896.98
  6. Step 6: Final answer
    x = 344,953.10

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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.