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Finding the Fourth Proportional to 269,988.41, 404,977.14 and 70,304.37

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Solution

The fourth proportional to 269,988.41, 404,977.14 and 70,304.37 is: 105,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,988.41 : 404,977.14 = 70,304.37 : x
  2. Step 2: Convert to fraction form
    269,988.41/404,977.14 = 70,304.37/x
  3. Step 3: Cross multiply
    269,988.41x = 404,977.14 × 70,304.37
  4. Step 4: Simplify right side
    269,988.41x = 28,471,662,692.10
  5. Step 5: Solve for x
    x = 28,471,662,692.10/269,988.41
  6. Step 6: Final answer
    x = 105,455.13

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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.