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Finding the Fourth Proportional to 400,722.04, 601,304.42 and 223,329.03

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Solution

The fourth proportional to 400,722.04, 601,304.42 and 223,329.03 is: 335,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,722.04 : 601,304.42 = 223,329.03 : x
  2. Step 2: Convert to fraction form
    400,722.04/601,304.42 = 223,329.03/x
  3. Step 3: Cross multiply
    400,722.04x = 601,304.42 × 223,329.03
  4. Step 4: Simplify right side
    400,722.04x = 134,288,732,853.31
  5. Step 5: Solve for x
    x = 134,288,732,853.31/400,722.04
  6. Step 6: Final answer
    x = 335,116.91

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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.