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Finding the Fourth Proportional to 1,058.58, 1,460.66 and 586.49

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Solution

The fourth proportional to 1,058.58, 1,460.66 and 586.49 is: 809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.58 : 1,460.66 = 586.49 : x
  2. Step 2: Convert to fraction form
    1,058.58/1,460.66 = 586.49/x
  3. Step 3: Cross multiply
    1,058.58x = 1,460.66 × 586.49
  4. Step 4: Simplify right side
    1,058.58x = 856,662.11
  5. Step 5: Solve for x
    x = 856,662.11/1,058.58
  6. Step 6: Final answer
    x = 809.26

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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.