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Finding the Fourth Proportional to 1,348.56, 2,021.56 and 527.36

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Solution

The fourth proportional to 1,348.56, 2,021.56 and 527.36 is: 790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.56 : 2,021.56 = 527.36 : x
  2. Step 2: Convert to fraction form
    1,348.56/2,021.56 = 527.36/x
  3. Step 3: Cross multiply
    1,348.56x = 2,021.56 × 527.36
  4. Step 4: Simplify right side
    1,348.56x = 1,066,089.88
  5. Step 5: Solve for x
    x = 1,066,089.88/1,348.56
  6. Step 6: Final answer
    x = 790.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.