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Finding the Fourth Proportional to 1,546.69, 2,320.04 and 392.44

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Solution

The fourth proportional to 1,546.69, 2,320.04 and 392.44 is: 588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.69 : 2,320.04 = 392.44 : x
  2. Step 2: Convert to fraction form
    1,546.69/2,320.04 = 392.44/x
  3. Step 3: Cross multiply
    1,546.69x = 2,320.04 × 392.44
  4. Step 4: Simplify right side
    1,546.69x = 910,476.50
  5. Step 5: Solve for x
    x = 910,476.50/1,546.69
  6. Step 6: Final answer
    x = 588.66

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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.