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Finding the Fourth Proportional to 504.64, 757.02 and 474.27

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Solution

The fourth proportional to 504.64, 757.02 and 474.27 is: 711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.64 : 757.02 = 474.27 : x
  2. Step 2: Convert to fraction form
    504.64/757.02 = 474.27/x
  3. Step 3: Cross multiply
    504.64x = 757.02 × 474.27
  4. Step 4: Simplify right side
    504.64x = 359,028.09
  5. Step 5: Solve for x
    x = 359,028.09/504.64
  6. Step 6: Final answer
    x = 711.45

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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.