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Finding the Fourth Proportional to 1,056.71, 1,584.66 and 363.18

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Solution

The fourth proportional to 1,056.71, 1,584.66 and 363.18 is: 544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.71 : 1,584.66 = 363.18 : x
  2. Step 2: Convert to fraction form
    1,056.71/1,584.66 = 363.18/x
  3. Step 3: Cross multiply
    1,056.71x = 1,584.66 × 363.18
  4. Step 4: Simplify right side
    1,056.71x = 575,512.24
  5. Step 5: Solve for x
    x = 575,512.24/1,056.71
  6. Step 6: Final answer
    x = 544.63

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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.