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Finding the Fourth Proportional to 570.80, 851.73 and 496.99

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Solution

The fourth proportional to 570.80, 851.73 and 496.99 is: 741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.80 : 851.73 = 496.99 : x
  2. Step 2: Convert to fraction form
    570.80/851.73 = 496.99/x
  3. Step 3: Cross multiply
    570.80x = 851.73 × 496.99
  4. Step 4: Simplify right side
    570.80x = 423,301.29
  5. Step 5: Solve for x
    x = 423,301.29/570.80
  6. Step 6: Final answer
    x = 741.59

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.