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Finding the Fourth Proportional to 1,058.93, 1,588.44 and 365.66

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Solution

The fourth proportional to 1,058.93, 1,588.44 and 365.66 is: 548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.93 : 1,588.44 = 365.66 : x
  2. Step 2: Convert to fraction form
    1,058.93/1,588.44 = 365.66/x
  3. Step 3: Cross multiply
    1,058.93x = 1,588.44 × 365.66
  4. Step 4: Simplify right side
    1,058.93x = 580,828.97
  5. Step 5: Solve for x
    x = 580,828.97/1,058.93
  6. Step 6: Final answer
    x = 548.51

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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.