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Finding the Fourth Proportional to 1,495.56, 2,242.92 and 570.48

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Solution

The fourth proportional to 1,495.56, 2,242.92 and 570.48 is: 855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.56 : 2,242.92 = 570.48 : x
  2. Step 2: Convert to fraction form
    1,495.56/2,242.92 = 570.48/x
  3. Step 3: Cross multiply
    1,495.56x = 2,242.92 × 570.48
  4. Step 4: Simplify right side
    1,495.56x = 1,279,541.00
  5. Step 5: Solve for x
    x = 1,279,541.00/1,495.56
  6. Step 6: Final answer
    x = 855.56

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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.