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Finding the Fourth Proportional to 1,058.49, 1,460.70 and 616.37

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Solution

The fourth proportional to 1,058.49, 1,460.70 and 616.37 is: 850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.49 : 1,460.70 = 616.37 : x
  2. Step 2: Convert to fraction form
    1,058.49/1,460.70 = 616.37/x
  3. Step 3: Cross multiply
    1,058.49x = 1,460.70 × 616.37
  4. Step 4: Simplify right side
    1,058.49x = 900,324.36
  5. Step 5: Solve for x
    x = 900,324.36/1,058.49
  6. Step 6: Final answer
    x = 850.57

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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.