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Finding the Fourth Proportional to 425,277.03, 637,694.02 and 200,577.11

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Solution

The fourth proportional to 425,277.03, 637,694.02 and 200,577.11 is: 300,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,277.03 : 637,694.02 = 200,577.11 : x
  2. Step 2: Convert to fraction form
    425,277.03/637,694.02 = 200,577.11/x
  3. Step 3: Cross multiply
    425,277.03x = 637,694.02 × 200,577.11
  4. Step 4: Simplify right side
    425,277.03x = 127,906,823,116.92
  5. Step 5: Solve for x
    x = 127,906,823,116.92/425,277.03
  6. Step 6: Final answer
    x = 300,761.18

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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.