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Finding the Fourth Proportional to 769.51, 1,154.67 and 588.07

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Solution

The fourth proportional to 769.51, 1,154.67 and 588.07 is: 882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769.51 : 1,154.67 = 588.07 : x
  2. Step 2: Convert to fraction form
    769.51/1,154.67 = 588.07/x
  3. Step 3: Cross multiply
    769.51x = 1,154.67 × 588.07
  4. Step 4: Simplify right side
    769.51x = 679,026.79
  5. Step 5: Solve for x
    x = 679,026.79/769.51
  6. Step 6: Final answer
    x = 882.41

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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.