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Finding the Fourth Proportional to 1,059.44, 1,461.98 and 587.33

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Solution

The fourth proportional to 1,059.44, 1,461.98 and 587.33 is: 810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.44 : 1,461.98 = 587.33 : x
  2. Step 2: Convert to fraction form
    1,059.44/1,461.98 = 587.33/x
  3. Step 3: Cross multiply
    1,059.44x = 1,461.98 × 587.33
  4. Step 4: Simplify right side
    1,059.44x = 858,664.71
  5. Step 5: Solve for x
    x = 858,664.71/1,059.44
  6. Step 6: Final answer
    x = 810.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.