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Finding the Fourth Proportional to 1,476.09, 2,214.54 and 655.02

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Solution

The fourth proportional to 1,476.09, 2,214.54 and 655.02 is: 982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.09 : 2,214.54 = 655.02 : x
  2. Step 2: Convert to fraction form
    1,476.09/2,214.54 = 655.02/x
  3. Step 3: Cross multiply
    1,476.09x = 2,214.54 × 655.02
  4. Step 4: Simplify right side
    1,476.09x = 1,450,567.99
  5. Step 5: Solve for x
    x = 1,450,567.99/1,476.09
  6. Step 6: Final answer
    x = 982.71

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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.