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Finding the Fourth Proportional to 1,058.11, 1,460.01 and 616

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Solution

The fourth proportional to 1,058.11, 1,460.01 and 616 is: 849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.11 : 1,460.01 = 616 : x
  2. Step 2: Convert to fraction form
    1,058.11/1,460.01 = 616/x
  3. Step 3: Cross multiply
    1,058.11x = 1,460.01 × 616
  4. Step 4: Simplify right side
    1,058.11x = 899,366.16
  5. Step 5: Solve for x
    x = 899,366.16/1,058.11
  6. Step 6: Final answer
    x = 849.97

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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.