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Finding the Fourth Proportional to 1,056.22, 1,584.56 and 362.87

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Solution

The fourth proportional to 1,056.22, 1,584.56 and 362.87 is: 544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.22 : 1,584.56 = 362.87 : x
  2. Step 2: Convert to fraction form
    1,056.22/1,584.56 = 362.87/x
  3. Step 3: Cross multiply
    1,056.22x = 1,584.56 × 362.87
  4. Step 4: Simplify right side
    1,056.22x = 574,989.29
  5. Step 5: Solve for x
    x = 574,989.29/1,056.22
  6. Step 6: Final answer
    x = 544.38

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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.