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Finding the Fourth Proportional to 1,625.84, 2,439.30 and 530.24

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Solution

The fourth proportional to 1,625.84, 2,439.30 and 530.24 is: 795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.84 : 2,439.30 = 530.24 : x
  2. Step 2: Convert to fraction form
    1,625.84/2,439.30 = 530.24/x
  3. Step 3: Cross multiply
    1,625.84x = 2,439.30 × 530.24
  4. Step 4: Simplify right side
    1,625.84x = 1,293,414.43
  5. Step 5: Solve for x
    x = 1,293,414.43/1,625.84
  6. Step 6: Final answer
    x = 795.54

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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.