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Finding the Fourth Proportional to 1,476.55, 2,214.57 and 552.01

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Solution

The fourth proportional to 1,476.55, 2,214.57 and 552.01 is: 827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.55 : 2,214.57 = 552.01 : x
  2. Step 2: Convert to fraction form
    1,476.55/2,214.57 = 552.01/x
  3. Step 3: Cross multiply
    1,476.55x = 2,214.57 × 552.01
  4. Step 4: Simplify right side
    1,476.55x = 1,222,464.79
  5. Step 5: Solve for x
    x = 1,222,464.79/1,476.55
  6. Step 6: Final answer
    x = 827.92

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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.