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Finding the Fourth Proportional to 484,189.84, 726,304.24 and 168,678.64

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Solution

The fourth proportional to 484,189.84, 726,304.24 and 168,678.64 is: 253,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,189.84 : 726,304.24 = 168,678.64 : x
  2. Step 2: Convert to fraction form
    484,189.84/726,304.24 = 168,678.64/x
  3. Step 3: Cross multiply
    484,189.84x = 726,304.24 × 168,678.64
  4. Step 4: Simplify right side
    484,189.84x = 122,512,011,429.43
  5. Step 5: Solve for x
    x = 122,512,011,429.43/484,189.84
  6. Step 6: Final answer
    x = 253,024.75

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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.