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Finding the Fourth Proportional to 351,304.88, 484,866.41 and 200,401.88

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Solution

The fourth proportional to 351,304.88, 484,866.41 and 200,401.88 is: 276,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,304.88 : 484,866.41 = 200,401.88 : x
  2. Step 2: Convert to fraction form
    351,304.88/484,866.41 = 200,401.88/x
  3. Step 3: Cross multiply
    351,304.88x = 484,866.41 × 200,401.88
  4. Step 4: Simplify right side
    351,304.88x = 97,168,136,686.51
  5. Step 5: Solve for x
    x = 97,168,136,686.51/351,304.88
  6. Step 6: Final answer
    x = 276,592.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.