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Finding the Fourth Proportional to 762.84, 1,052.67 and 468.04

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Solution

The fourth proportional to 762.84, 1,052.67 and 468.04 is: 645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762.84 : 1,052.67 = 468.04 : x
  2. Step 2: Convert to fraction form
    762.84/1,052.67 = 468.04/x
  3. Step 3: Cross multiply
    762.84x = 1,052.67 × 468.04
  4. Step 4: Simplify right side
    762.84x = 492,691.67
  5. Step 5: Solve for x
    x = 492,691.67/762.84
  6. Step 6: Final answer
    x = 645.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.