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Finding the Fourth Proportional to 447,602.63, 617,744.37 and 251,401.46

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Solution

The fourth proportional to 447,602.63, 617,744.37 and 251,401.46 is: 346,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,602.63 : 617,744.37 = 251,401.46 : x
  2. Step 2: Convert to fraction form
    447,602.63/617,744.37 = 251,401.46/x
  3. Step 3: Cross multiply
    447,602.63x = 617,744.37 × 251,401.46
  4. Step 4: Simplify right side
    447,602.63x = 155,301,836,524.78
  5. Step 5: Solve for x
    x = 155,301,836,524.78/447,602.63
  6. Step 6: Final answer
    x = 346,963.64

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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.