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Finding the Fourth Proportional to 1,202.96, 1,803.36 and 473.04

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Solution

The fourth proportional to 1,202.96, 1,803.36 and 473.04 is: 709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.96 : 1,803.36 = 473.04 : x
  2. Step 2: Convert to fraction form
    1,202.96/1,803.36 = 473.04/x
  3. Step 3: Cross multiply
    1,202.96x = 1,803.36 × 473.04
  4. Step 4: Simplify right side
    1,202.96x = 853,061.41
  5. Step 5: Solve for x
    x = 853,061.41/1,202.96
  6. Step 6: Final answer
    x = 709.14

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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.