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Finding the Fourth Proportional to 281,490.14, 422,519.76 and 249,677.84

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Solution

The fourth proportional to 281,490.14, 422,519.76 and 249,677.84 is: 374,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,490.14 : 422,519.76 = 249,677.84 : x
  2. Step 2: Convert to fraction form
    281,490.14/422,519.76 = 249,677.84/x
  3. Step 3: Cross multiply
    281,490.14x = 422,519.76 × 249,677.84
  4. Step 4: Simplify right side
    281,490.14x = 105,493,821,034.12
  5. Step 5: Solve for x
    x = 105,493,821,034.12/281,490.14
  6. Step 6: Final answer
    x = 374,769.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.