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Finding the Fourth Proportional to 1,202.84, 1,803.14 and 472.42

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Solution

The fourth proportional to 1,202.84, 1,803.14 and 472.42 is: 708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.84 : 1,803.14 = 472.42 : x
  2. Step 2: Convert to fraction form
    1,202.84/1,803.14 = 472.42/x
  3. Step 3: Cross multiply
    1,202.84x = 1,803.14 × 472.42
  4. Step 4: Simplify right side
    1,202.84x = 851,839.40
  5. Step 5: Solve for x
    x = 851,839.40/1,202.84
  6. Step 6: Final answer
    x = 708.19

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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.