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Finding the Fourth Proportional to 1,058.98, 1,588.48 and 366.44

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Solution

The fourth proportional to 1,058.98, 1,588.48 and 366.44 is: 549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.98 : 1,588.48 = 366.44 : x
  2. Step 2: Convert to fraction form
    1,058.98/1,588.48 = 366.44/x
  3. Step 3: Cross multiply
    1,058.98x = 1,588.48 × 366.44
  4. Step 4: Simplify right side
    1,058.98x = 582,082.61
  5. Step 5: Solve for x
    x = 582,082.61/1,058.98
  6. Step 6: Final answer
    x = 549.66

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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.