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Finding the Fourth Proportional to 1,058.37, 1,588.16 and 571.41

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Solution

The fourth proportional to 1,058.37, 1,588.16 and 571.41 is: 857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.37 : 1,588.16 = 571.41 : x
  2. Step 2: Convert to fraction form
    1,058.37/1,588.16 = 571.41/x
  3. Step 3: Cross multiply
    1,058.37x = 1,588.16 × 571.41
  4. Step 4: Simplify right side
    1,058.37x = 907,487.65
  5. Step 5: Solve for x
    x = 907,487.65/1,058.37
  6. Step 6: Final answer
    x = 857.44

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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.