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Finding the Fourth Proportional to 1,079.04, 1,617.74 and 530.94

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Solution

The fourth proportional to 1,079.04, 1,617.74 and 530.94 is: 796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079.04 : 1,617.74 = 530.94 : x
  2. Step 2: Convert to fraction form
    1,079.04/1,617.74 = 530.94/x
  3. Step 3: Cross multiply
    1,079.04x = 1,617.74 × 530.94
  4. Step 4: Simplify right side
    1,079.04x = 858,922.88
  5. Step 5: Solve for x
    x = 858,922.88/1,079.04
  6. Step 6: Final answer
    x = 796.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.