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Finding the Fourth Proportional to 484,148.84, 726,242.78 and 168,637.64

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Solution

The fourth proportional to 484,148.84, 726,242.78 and 168,637.64 is: 252,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,148.84 : 726,242.78 = 168,637.64 : x
  2. Step 2: Convert to fraction form
    484,148.84/726,242.78 = 168,637.64/x
  3. Step 3: Cross multiply
    484,148.84x = 726,242.78 × 168,637.64
  4. Step 4: Simplify right side
    484,148.84x = 122,471,868,486.24
  5. Step 5: Solve for x
    x = 122,471,868,486.24/484,148.84
  6. Step 6: Final answer
    x = 252,963.26

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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.